11th Standard Physics State Board (Tamilnadu) - study material, free online tests, previous year question papers, answer keys, topper answers, centum question paper, exam tips

TN 11th Physics Work, Energy and Power Work, Energy and Power - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Work, Energy and Power Important 2 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Waves Important 2 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Waves 50 Important 1 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Real Numbers 50 Important 1 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Properties of Matter Important 2 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Properties of Matter 50 Important 1 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Oscillations Important 2 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Oscillations 50 Important 1 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Nature of Physical World and Measurement Important 2 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Nature of Physical World and Measurement 50 Important 1 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Motion of System of Particles and Rigid Bodies Important 2 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Motion of System of Particles and Rigid Bodies 50 Important 1 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Laws of Motion Important 2 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Kinetic Theory of Gases Important 2 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Kinematics Important 2 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Heat and Thermodynamics Important 2 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Laws of Motion 50 Important 1 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Kinetic Theory of Gases 50 Important 1 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

TN 11th Physics Kinematics 50 Important 1 Marks Questions With Answers Book Back and Creative - by Sneha - Jul 31, 2024 - View & Read

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
An insulated container of gas has two chambers separated by an insulating partition. One of the chambers has volume V₁ and contains ideal gas at pressure P₁ and temperature T₁. The other chamber has volume V₂ and contains ideal gas at pressure P₂ and temperature T₂. If the partition is removed without doing any work on the gases, calculate the final equilibrium temperature of the container.
2)
Draw the TP diagram (P-x axis, T-y axis), VT(T-x axis, V-y axis) diagram for
a. Isochoric process
b. Isothermal process
c. isobaric process
3)
Normal human body of the temperature is 98.6°F. During high fever if the temperature increases to 104°F, what is the change in peak wavelength that emitted by our body? (Assume human body is a black body)
4)
In a petrol engine, (internal combustion engine) air at atmospheric pressure and temperature of 20°C is compressed in the cylinder by the piston to 1/8 of its original volume. Calculate the temperature of the compressed air. (For air \(\gamma \) = 1.4)
5)
An ideal gas is taken in a cyclic process as shown in the figure. Calculate
(a) work done by the gas.
(b) work done on the gas
(c) Net work done in the process

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What are intensive and extensive variables? Give examples.
2)
Define the internal energy of the system.
3)
Define one calorie.
4)
State the first law of thermodynamics.
5)
Give the sign convention for Q and W.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Why moon has no atmosphere?
2)
What is the relation between the average kinetic energy and pressure?
3)
State the law of equipartition of energy.
4)
Deduce Charles’ law based on kinetic theory.
5)
Deduce Avogadro’s law based on kinetic theory.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Define mean free path and write down its expression.
2)
Deduce Boyle’s law based on kinetic theory.
3)
List the factors affecting the mean free path.
4)
A fresh air is composed of nitrogen N₂(78%) and oxygen O₂(21%). Find the rms speed of N₂ and O₂ at 20°C.
5)
Calculate the temperature at which the rms velocity of a gas triples its value at S.T.P. (Standard temperature T₁ = 273K).

11th Standard English Medium Physics Subject Oscillations Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
State the laws of simple pendulum?
2)
What is meant by free oscillation?
3)
Define forced oscillation. Give an example.
4)
Explain resonance. Give an example.
5)
Consider a simple pendulum of length l = 0.9 m which is properly placed on a trolley rolling down on a inclined plane which is at θ = 45° with the horizontal. Assuming that the inclined plane is frictionless, calculate the time period of oscillation of the simple pendulum.

11th Standard English Medium Physics Subject Oscillations Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Which of the following functions of time represent periodic and non-periodic motion?
a. sin ωt + cos ωt
b. ln ωt
2)
What is meant by periodic and nonperiodic motion? Give any two examples, for each motion.
3)
Define time period of simple harmonic motion.
4)
What is an epoch?.

11th Standard English Medium Physics Subject Waves Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is meant by waves?.
2)
What are transverse waves? Give one example.
3)
Define wavelength.
4)
What is meant by interference of waves?.
5)
Define intensity of sound and loudness of sound.

11th Standard English Medium Physics Subject Waves Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write down the factors affecting velocity of sound in gases.
2)
The speed of a wave in a certain medium is 900 m/s. If 3000 waves passes over a certain point of the medium in 2 minutes, then compute its wavelength?
3)
Why is it that transverse waves cannot be produced in a gas? Can the transverse waves can be produced insolids and liquids?
4)
A sound source and listener are both stationary and a strong wind is blowing. Is there a Doppler effect?
5)
How do animals sense impending danger of hurricane?

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 3 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write the rules for determining significant figures.
2)
Define precision and accuracy. Explain with one example.
3)
Find the dimensions of a and b in the formula \(\left[ P+{{a\over V^2}} \right][V-b]=RT\) where P is pressure and V is the volume of the gas
4)
Find the dimensions of mass in terms of Energy, length and time
5)
The mass and volume of a body are found to be 4\(\pm\)0.03 kg and 5\(\pm\)0.01 m³ respectively. Then find the maximum possible percentage error in density.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 3 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A physical quantity Q is found to depend on quantities x, y, z obeying relation Q \(={{x^2y^3}\over{z^1}}.\) The percentage errors in x, y and z are 2%, 3% and 1% respectively. Find the percentage error in Q.
2)
Calculate the number of times a human heart beats in the life of 100 years old man. Time of one heart beat = 0.8s.
3)
Check the correctness of the following equation using dimensional analysis. Make a comment on it. S = ut + 1/4at² where s is the displacement, u is the initial velocity, t is the time and a is the acceleration produced.
4)
The velocity of a body is given by the equation v = b/t + ct² + dt³. Find the dimensional formula for b.
5)
The voltage across a wire is (100 ± 5)V and the current passing through it is (10 ± 0.2) A. Find the resistance of the wire.

11th Standard English Medium Physics Subject Kinematics Book Back 3 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Define displacement and distance.
2)
Define acceleration.
3)
Define a radian?
4)
What is non uniform circular motion?
5)
Write down the expression for angle made by resultant acceleration and radius vector in the non uniform circular motion.

11th Standard English Medium Physics Subject Kinematics Book Back 3 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A train was moving at the rate of 54 km h^-1 when brakes were applied. It came to rest within a distance of 225 m. Calculate the retardation produced in the train.
2)
Suppose two cars A and B are moving with uniform velocities with respect to ground along parallel tracks and in the same direction. Let the velocities of A and B be 35 km h^-1 due east and 40 km h^-1 due east respectively. What is the relative velocity of car B with respect to A?
3)
Consider two trains A and B moving along parallel tracks with the same velocity in the same direction. Let the velocity of each train be 50 km h^-1 due east. Calculate the relative velocities of the trains.
4)
A swimmer's speed in the direction of flow of a river is 12 km h^-1. Against the direction of flow of the river the swimmer's speed is 6 km h^-1. Calculate the swimmer's speed in still water and the velocity of the river flow.
5)
The position vector for a particle is represented be \(\vec r=3t^2\hat i+5t\hat j+6\hat k\), find tht velocity and speed of the particle at t = 3 sec?

11th Standard English Medium Physics Subject Laws of Motion Book Back 3 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Under what condition will a car skid on a leveled circular road?
2)
Identify the forces acting on blocks A, B and C shown in the figure
3)
Apply Newton's second law to a mango hanging from a tree. (Mass of the mango is 400 gm).
4)
Consider a horse attached to the cart which is initially at rest. If the horse starts walking forward, the cart also accelerates in the forward direction. If the horse pulls the cart with force F_h in forward direction, then according to Newton's third law, the cart also pulls the horse by equivalent opposite force F_c = F_h in backward direction. Then total force on 'cart+horse' is zero. Why is it then the 'cart+horse' accelerates and moves forward?
5)
A block of mass m is pushed momentarily along a horizontal surface with an initial velocity u. If u_k is the coefficient of kinetic friction between the object and surface, find the time at which the block comes to rest.

11th Standard English Medium Physics Subject Laws of Motion Book Back 3 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Explain the concept of inertia. Write two examples each for inertia of motion, inertia of rest and inertia of direction.
2)
Define one newton.
3)
Using free body diagram, show that it is easy to pull an object than to push it.
4)
What is the meaning by 'pseudo force'?
5)
State Newton's third law.

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 3 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Two objects of masses 2 kg and 4 kg are moving with the same momentum of 20 kg m s^-1.
(a) Will they have same kinetic energy?
(b) Will they have same speed?
2)
Let the two springs A and B be such that k_A > k_B, On which spring will more work has to be done if they are stretched by the same force?
3)
A body of mass m is attached to the spring which is elongated to 25 cm by an applied force from its equilibrium position.
(a) Calculate the potential energy stored in the spring-mass system?
(b) What is the work done by the spring force in this elongation?
(c) Suppose the spring is compressed to the same 25 cm, calculate the potential energy stored and also the work done by the spring force during compression. (The spring constant, k= 0.1 N m^-1).
4)
A body of mass 100 kg is lifted to a height 10 m from the ground in two different ways as shown in the figure. What is the work done by the gravity in both the cases? Why is it easier to take the object through a ramp?
5)
A vehicle of mass 1250 kg is driven with an acceleration 0.2 along a straight level road against an external resistive force 500 N. Calculate the power delivered by the vehicle's engine if the velocity of the vehicle is 30 ms^-1.

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 3 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A weight lifter lifts a mass of 250 kg with a force 5000 N to the height of 5m
(a) What is the work done by the weight lifter?
(b) What is the work done by the gravity?
(c) What is the net work done on the object?
2)
An object of mass 2 kg is taken to a height 5 m from the ground (g = 10 ms^-2).
(a) Calculate the potential energy stored in the object.
(b) Where does this potential energy come from?
(c) What external force must act to bring the mass to that height?
(d) What is the net force that acts on the object while the object is taken to the height 'h'?
3)
Consider an object of mass 2 kg moved by an external force 20 N in a surface having coefficient of kinetic friction 0.9 to a distance 10 m. What is the work done by the external force and kinetic friction? Comment on the result. (Assume g = 10 ms^-2)
4)
An object of mass 2 kg attached to a spring is moved to a distance x = 10 m from its equilibrium position. The spring constant k = 1 N m^-1 and assume that the surface is frictionless.
(a) When the mass crosses the equilibrium position, what is the speed of the mass?
(b) What is the force that acts on the object when the mass crosses the equilibrium position and extreme position x = ± 10m?
5)
A lighter particle moving with a speed of 10 ms^-1 collides with an object of double its mass moving in the same direction with half its speed. Assume that the collision is a one dimensional elastic collision. What will be the speed of both particles after the collision?

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 3 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Define torque and mention its unit.
2)
Give any two examples of torque in day-to-day life.
3)
What is equilibrium?
4)
Define couple.
5)
Define centre of gravity.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 3 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The position vectors of two point masses 10 kg and 5 kg are \((-3\vec{i}+2\vec{j}+4\vec{k})\) m and \((-3\vec{i}+6\vec{j}+5\vec{k})\) m respectively. Locate the position of center of mass.
2)
A cyclist while negotiating a circular path with speed 20 m s^-1 is found to bend an angle by 30° with vertical. What is the radius of the circular path? (given, g = 10 m s^-2)
3)
Find the radius of gyration of a disc of mass M and radius R rotating about an axis passing through the center of mass and perpendicular to the plane of the disc.
4)
Find the rotational kinetic energy of a ring of mass 9 kg and radius 3 m rotating with 240 rpm about an axis passing through its center and perpendicular to its plane. (rpm is a unit of speed of rotation which means revolutions per minute).
5)
Four round objects namely a ring, a disc, a hollow sphere and a solid sphere with same radius R start to roll down an incline at the same time. Find out which object will reach the bottom first.

11th Standard English Medium Physics Subject Properties of Matter Book Back 3 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A solid sphere has a radius of 1.5 cm and a mass of 0.038 kg. Calculate the specific gravity or relative density of the sphere.
2)
A cube of wood floating in water supports a 300 g mass at the centre of its top face. When the mass is removed, the cube rises by 3 cm. Determine the volume of the cube.
3)
Let 2.4\(\times\)10⁻⁴ J of work is done to increase the area of a film of soap bubble from 50 cm² to 100 cm². Calculate the value of surface tension of soap solution.
4)
Water rises in a capillary tube to a height of 2.0cm. How much will the water rise through another capillary tube whose radius is one-third of the first tube?
5)
In a normal adult, the average speed of the blood through the aorta (radius r = 0.8 cm) is 0.33 ms^-1. From the aorta, the blood goes into major arteries, which are 30 in number, each of radius 0.4 cm. Calculate the speed of the blood through the arteries.

11th Standard English Medium Physics Subject Properties of Matter Book Back 3 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Two pistons of a hydraulic lift have diameters of 60 cm and 5 cm. What is the force exerted by the larger piston when 50 N is placed on the smaller piston?
2)
A metal plate of area 2.5\(\times\)10^-4m² is placed on a 0.25\(\times\)10^-3m thick layer of castor oil. If a force of 2.5 N is needed to move the plate with a velocity 3\(\times\)10^-2m s^-1, calculate the coefficient of viscosity of castor oil.
Given: A = 2.5\(\times\)10-4 m², dx = 0.25\(\times\)10^-3m, F = 2.5N and dv = 3×10^-2 m s^-1
3)
If excess pressure is balanced by a column of oil (with specific gravity 0.8) 4 mm high, where R = 2.0 cm, find the surface tension of the soap bubble.
4)
Water rises in a capillary tube to a height of 2.0cm. How much will the water rise through another capillary tube whose radius is one-third of the first tube?
5)
Mercury has an angle of contact equal to 140° with soda lime glass. A narrow tube of radius 2 mm, made of this glass is dipped in a trough containing mercury. By what amount does the mercury dip down in the tube relative to the liquid surface outside?. Surface tension of mercury T = 0.456 N m^-1; Density of mercury \(\rho\) = 13.6\(\times\)10³ kg m^-3

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 3 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Jogging every day is good for health. Assume that when you jog a work of 500 kJ is done and 230 kJ of heat is given off. What is the change in internal energy of your body?
2)
A 0.5 mole of gas at temperature 300 K expands isothermally from an initial volume of 2 L to 6 L
(a) What is the work done by the gas?
(b) Estimate the heat added to the gas?
(c) What is the final pressure of the gas?
(The value of gas constant, R = 8.31 J mol^-1 K^-1)
3)

We often have the experience of pumping air into bicycle tyre using hand pump. Consider the air inside the pump as a thermodynamic system having volume V at atmospheric pressure and room temperature, 27°C. Assume that the nozzle of the tyre is blocked and you push the pump to a volume 1/4 of V.
Calculate the final temperature of air in the pump? (For air, since the nozzle is blocked air will not flow into tyre and it can be treated as an adiabatic compression).
4)
500 g of water is heated from 30°C to 60°C. Ignoring the slight expansion of water, calculate the change in internal energy of the water? (specific heat of water 4184 J/kg.K)
5)
A steam engine boiler is maintained at 250°C and water is converted into steam. This steam is used to do work and heat is ejected to the surrounding air at temperature 300K. Calculate the maximum efficiency it can have?

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 3 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Jogging every day is good for health. Assume that when you jog a work of 500 kJ is done and 230 kJ of heat is given off. What is the change in internal energy of your body?
2)
A 0.5 mole of gas at temperature 300 K expands isothermally from an initial volume of 2 L to 6 L
(a) What is the work done by the gas?
(b) Estimate the heat added to the gas?
(c) What is the final pressure of the gas?
(The value of gas constant, R = 8.31 J mol^-1 K^-1)
3)

We often have the experience of pumping air into bicycle tyre using hand pump. Consider the air inside the pump as a thermodynamic system having volume V at atmospheric pressure and room temperature, 27°C. Assume that the nozzle of the tyre is blocked and you push the pump to a volume 1/4 of V.
Calculate the final temperature of air in the pump? (For air, since the nozzle is blocked air will not flow into tyre and it can be treated as an adiabatic compression).
4)
500 g of water is heated from 30°C to 60°C. Ignoring the slight expansion of water, calculate the change in internal energy of the water? (specific heat of water 4184 J/kg.K)
5)
A steam engine boiler is maintained at 250°C and water is converted into steam. This steam is used to do work and heat is ejected to the surrounding air at temperature 300K. Calculate the maximum efficiency it can have?

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 3 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Derive the expression of pressure exerted by the gas on the walls of the container.
2)
Describe the total degrees of freedom for monoatomic molecule, diatomic molecule and triatomic molecule.
3)
Derive the ratio of two specific heat capacities of monoatomic, diatomic and triatomic molecules.
4)
Explain in detail the Maxwell Boltzmann distribution function.
5)
Describe the Brownian motion.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 3 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write down the postulates of kinetic theory of gases.
2)
Derive the expression of pressure exerted by the gas on the walls of the container.
3)
Explain in detail the kinetic interpretation of temperature.
4)
Derive the ratio of two specific heat capacities of monoatomic, diatomic and triatomic molecules.
5)
Derive the expression for mean free path of the gas.

11th Standard English Medium Physics Subject Oscillations Book Back 3 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A nurse measured the average heart beats of a patient and reported to the doctor in terms of time period as 0.8 s. Express the heart beat of the patient in terms of number of beats measured per minute.
2)
A spring balance has a scale which ranges from 0 to 25 kg and the length of the scale is 0.25m. It is taken to an unknown planet X where the acceleration due to gravity is 11.5 m s⁻¹. Suppose a body of mass M kg is suspended in this spring and made to oscillate with a period of 0.50 s. Compute the gravitational force acting on the body.
3)
Consider two springs with force constants 1 N m⁻¹ and 2 N m⁻¹ connected in parallel. Calculate the effective spring constant (k_p) and comment on k_p.
4)
If the length of the simple pendulum is increased by 44% from its original length, calculate the percentage increase in time period of the pendulum.
5)
Write down the kinetic energy and total energy expressions in terms of linear momentum, For one-dimensional case.

11th Standard English Medium Physics Subject Waves Book Back 3 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A baby cries on seeing a dog and the cry is detected at a distance of 3.0 m such that the intensity of sound at this distance is 10^-2 W m^-2. Calculate the intensity of the baby’s cry at a distance 6.0 m.
2)
If a flute sounds a note with 450Hz, what are the frequencies of the second, third, and fourth harmonics of this pitch? If the clarinet sounds with a same note as 450Hz, then what are the frequencies of the lowest three harmonics produced?
3)
Consider a tuning fork which is used to produce resonance in an air column. A resonance air column is a glass tube whose length can be adjusted by a variable piston. At room temperature, the two successive resonances observed are at 20 cm and 85 cm of the column length. If the frequency of the length is 256 Hz, compute the velocity of the sound in air at room temperature.
4)
Describe the formation of beats.
5)
Consider two organ pipes of same length in which one organ pipe is closed and another organ pipe is open. If the fundamental frequency of closed pipe is 250 Hz. Calculate the fundamental frequency of the open pipe.

11th Standard English Medium Physics Subject Kinematics Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is right handed coordinate system?
2)
Define the term modulus or magnitude of vector.
3)
Find the magnitude of vector 3\(\hat { i } -2\hat { j } +\sqrt { 3 } \hat { k } \) ?
4)
How will you find the sum (resultant) of two vectors, which are inclined to each other?
5)
State the vector product of two vectors is not commutative but anti commutative.

11th Standard English Medium Physics Subject Waves Book Back 3 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Calculate the speed of sound in a steel rod whose Young’s modulus Y = 2\(\times\)10¹¹ N m^-2 and \(\rho\) = 7800 kg m^-3.
2)
Two vibrating tuning forks produce waves whose equation is given by y₁ = 5 sin(240\(\pi\)t) and y₂ = 4 sin(244πt). Compute the number of beats per second.
3)
The sound level from a musical instrument playing is 50 dB. If three identical musical instruments are played together then compute the total intensity. The intensity of the sound from each instrument is 10^-12 W m^-2.
4)
If the third harmonics of a closed organ pipe is equal to the fundamental frequency of an open organ pipe, compute the length of the open organ pipe if the length of the closed organ pipe is 30 cm.
5)
An observer observes two moving trains, one reaching the station and other leaving the station with equal speeds of 8 m s⁻¹. If each train sounds its whistles with frequency 240 Hz, then calculate the number of beats heard by the observer.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Check the correctness of the equation\(\frac { 1 }{ 2 } \)mv² = mgh using dimensional analysis method.
2)
The force F acting on a body moving in a circular path depends on mass of the body (m), velocity (v) and radius (r) of the circular path. Obtain the expression for the force by dimensional analysis method. (Take the value of k = 1)
3)
A capacitor of capacitance C = 3.0 ± 0.1\(\mu \)F is charged to a voltage of V = 18 ± 0.4 Volt. Calculate the charge Q [Use Q = CV].
4)
Convert 76 cm of mercury pressure into Nm^-2 using the method of dimensions.
5)
Explain the principle of homogeniety of dimensions. What are its uses? Give example

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A football at 27°C has 0.5 mole of air molecules. Calculate the internal energy of air in the ball.
2)
Ten particles are moving at the speed of 2, 3, 4, 5, 5, 5, 6, 6, 7 and 9 m s^-1. Calculate rms speed, average speed and most probable speed.
3)
Calculate the rms speed, average speed and the most probable speed of 1 mole of hydrogen molecules at 300 K. Neglect the mass of electron.
4)
Find the adiabatic exponent \(\gamma\) for mixture of μ₁ moles of monoatomic gas and μ₂ moles of a diatomic gas at normal temperature (27°C).
5)
An oxygen molecule is travelling in air at 300 K and 1 atm, and the diameter of oxygen molecule is 1.2\(\times\)10⁻¹⁰m. Calculate the mean free path of oxygen molecule.

11th Standard English Medium Physics Subject Kinematics Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Will two dimensional motion with an acceleration only in one dimension?
2)
A football is kicked by a player with certain angle to the horizontal. Is there any point at which velocity is perpendicular to its acceleration.
3)
Give any two examples for parallelogram law of vectors.
4)
Why does rubber ball bounce greater heights on hills than in plains?
5)
The V-t graphs of two objects make angle 30° and 60° with the time axis. Find the'ratio of their accelerations.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 5 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What do you mean by propagation of errors? Explain the propagation of errors in addition and multiplication.
2)
The parallal x of a heavenly body measured from two points diametrically opposite on equator of earth is 2'. Calculate the distance of the heavenly body. [Given radius of the earth = 6400 km] [1" = 4.85\(\times\)10^-6rad]
3)
Check the correctness of the equation\(\frac { 1 }{ 2 } \)mv² = mgh using dimensional analysis method.
4)
The force F acting on a body moving in a circular path depends on mass of the body (m), velocity (v) and radius (r) of the circular path. Obtain the expression for the force by dimensional analysis method. (Take the value of k = 1)
5)
A capacitor of capacitance C = 3.0 ± 0.1\(\mu \)F is charged to a voltage of V = 18 ± 0.4 Volt. Calculate the charge Q [Use Q = CV].

11th Standard English Medium Physics Subject Kinematics Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
If the value of universal gravitational constant in SI is 6.610^-11Nm^-2kg^-2, then find its value in CGS System?
2)
Obtain an expression for the time period T of a simple pendulum. The time period T depend upon
(i) mass 'm' of the bob
(ii) length 'l' of the pendulum and
(iii) acceleration due to gravity g at the place where the pendulum is suspended. (Constant k = 2π) i.e
3)
Two resistors of resistances R₁= 150 ± 2 Ohm and R₂ = 220 ± 6 Ohm are connected in parallel combination. Calculate the equivalent resistance.
Hint:\(\frac{1}{R'}=\frac{1}{R_1}+\frac{1}{R_2}\)
4)
Using a Vernier Callipers, the length of a cylinder in different measurements is found to be 2.36 cm, 2.27 cm, 2.26 cm, 2.28 cm, 2.31 cm, 2.28 cm and 2.29 cm. Find the mean value, absolute error, the relative error and the percentage error of the cylinder.
5)
The shadow of a pole standing on a level ground is found to be 45 m longer when the sun's altitude is 30^o than when it was 60^o. Determine the height of the pole. [Given \(\sqrt { 3 } \)=1.73]

11th Standard English Medium Physics Subject Kinematics Book Back 5 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Discuss the properties of scalar and vector products.
2)
Derive the equations of motion for a particle
(a) falling vertically
(b) projected vertically.
3)
Derive the expression for centripetal acceleration.
4)
Two vectors \(\vec A\) and \(\vec B\) of magnitude 5 units and 7 units respectively make an angle 60° with each other as shown below. Find the magnitude of the resultant vector and its direction with respect to 7 unit the vector \(\vec A\).
5)
Suppose an object is thrown with initial speed 10 ms^-1 at an angle \(\frac{\pi}{4}\) with the horizontal, what is the range covered? Suppose the same object is thrown similarly in the Moon, will there be any change in the range? If yes, what is the change? (The acceleration due to gravity in the Moon \(g_{moon}=\frac{1}{6}g\)).

11th Standard English Medium Physics Subject Laws of Motion Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
If a stone of mass 0.25 kg tied to a string executes uniform circular motion with a speed of 2 m s^-1 of radius 3 m, what is the magnitude of tensional force acting on the stone?
2)
Consider a circular leveled road of radius 10m having coefficient of static friction 0.81. Three cars (A, B and C) are travelling with speed 7 ms^-1, 8 m s^-1 and 10 ms^-1 respectively. Which car will skid when it moves in the circular level road? (g = 10 m s^-2).
3)
Calculate the centrifugal force experienced by a man of 60 kg standing at Chennai? (Given: Latitude of Chennai is 13°)
4)
A gun weighing 25 kg fires a bullet weighing 30 g with the speed of 200 ms^-1. What is the speed of recoil of the gun.
5)
In the section 3.7.3 (Banking of road) we have not included the friction exerted by the road on the car. Suppose the coefficient of static friction between the car tyre and the surface of the road is, calculate the minimum speed with which the car can take safe turn? When the car takes turn in the banked road, the following three forces act on the car.
(1) The gravitational force mg acting downwards.
(2) The normal force N acting perpendicular to the surface of the road.
(3) The static frictional force f acting on the car along the surface.

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 5 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Explain in detail an adiabatic process.
2)
Explain the isobaric process and derive the work done in this process.
3)
What are the limitations of the first law of thermodynamics?
4)
Explain in detail carnot heat engine.
5)
Explain the second law of thermodynamics in terms of entropy.

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Explain Joule’s Experiment of the mechanical equivalent of heat.
2)
Derive Mayer’s relation for an ideal gas.
3)
Derive the work done in an isothermal process.
4)
Derive the work done in an adiabatic process
5)
Explain in detail the isochoric process.

11th Standard English Medium Physics Subject Gravitation Book Back 5 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Prove that at points near the surface of the Earth, the gravitational potential energy of the object is U = mgh.
2)
Derive an expression for escape speed.
3)
Explain the variation of g with altitude.
4)
Derive the time period of satellite orbiting the Earth.
5)
Explain in detail the geostationary and polar satellites.

11th Standard English Medium Physics Subject Laws of Motion Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What are the factors are determined by these forces?
2)
Give example of impulse.
3)
What is static friction? Explain
4)
Draw the graph for the variation of both static and kinetic frictional forces with external applied force?
5)
Define angle of friction?

11th Standard English Medium Physics Subject Laws of Motion Book Back 5 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Prove the law of conservation of linear momentum. Use it to find the recoil velocity of a gun when a bullet is fired from it.
2)
Explain the motion of blocks connected by a string in Horizontal motion.
3)
State Newton's three laws and discuss their significance.
4)
Briefly explain 'centrifugal force' with suitable examples.
5)
Describe the method of measuring angle of repose.

11th Standard English Medium Physics Subject Laws of Motion Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The wheels of vehicles are provided with mudguards. Why?
2)
China wares are wrapped in straw paper before packing. Why?
3)
Why is it difficult to walk on a sand?
4)
The outer edge of a curved road is generally raised over the inner edge. Why?
5)
Explain why the water doesn't fall even at the top of the circle when the bucket full of water is upside down rotating in a vertical circle?

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Explain with graphs the difference between work done by a constant force and by a variable force.
2)
State and explain work energy principle. Mention any three examples for it.
3)
Arrive at an expression for power and velocity. Give some examples for the same.
4)
Arrive at an expression for elastic collision in one Dimension and discuss various cases.
5)
What is inelastic collision? In which way it is different from elastic collision. Mention few examples in day to day life for inelastic collision.

11th Standard English Medium Physics Subject Work, Energy and Power Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Define Potential energy. Write the expression of it.
2)
Define gravitational potential energy.
3)
How can an object move with zero acceleration (constant velocity) when the external force is acting on the object?
4)
Why should the object be moved at constant velocity when we define potential energy?
5)
Why does a pilot not fall down, when his aeroplane loops a vertical loops?

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Three particles of masses m₁= 1kg, m₂ = 2kg and m₃ = 3kg are placed at the comers of an equilateral triangle of side 1m as shown in Figure. Find the position of center of mass.
2)
From a complete ring of mass M and radius R, a sector angle \(\theta\) is removed. What is the moment of inertia of the incomplete ring about axis passing through the center of the ring and perpendicular to the plane of the ring?
3)
If energy of 1000 J is spent in increasing the speed of a flywheel from 30 rpm to 720 rpm, find the moment of inertia of the wheel.
4)
A thin horizontal circular disc is rotating about a vertical axis passing through its center. An insect goes from A to point B along its diameter as shown in Figure. Discuss how the angular speed of the circular disc changes?
5)
Consider a thin uniform circular ring rolling down in an inclined plane without slipping. Compute the linear acceleration along the inclined plane if the angle of inclination is \(45 ^{0}\).

11th Standard English Medium Physics Subject Work, Energy and Power Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Discuss the possibilities of work done to be zero.
2)
Explain the potential energy-displacement graph for a spring.
3)
Define unit of power.
4)
Define average power and instantaneous power.
5)
Define elastic and inelastic collision.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 5 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Explain why a cyclist bends while negotiating a curve road? Arrive at the expression for angle of bending for a given velocity?
2)
Derive the expression for moment of lnertia of a uniform ring about an axis passing through the center and perpendicular to the plane?
3)
State and prove parallel axis theorem.
4)
State and prove perpendicular axis theorem.
5)
On the edge of a wall, we build a brick tower that only holds because of the bricks own weight. Our goal is to build a stable 1 tower whose overhang d is greater than the length l of a single brick. What is the minimum number of bricks you need?

11th Standard English Medium Physics Subject Gravitation Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Explain the variation of g with lattitude.
2)
Explain the variation of g with depth from the Earth’s surface.
3)
Derive an expression for energy of satellite.
4)
Explain how geocentric theory is replaced by heliocentric theory using the idea of retrograde motion of planets.
5)
Describe the measurement of Earth’s shadow (umbra) radius during total lunar eclipse.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
About which axis the moment of inertia of a body is minimum?
2)
A cat is able to land on its feet after a fall. Why?
3)
Two boys of the same weight sit at the opposite ends of a diameter of a rotating circular table. What happens to the speed of rotation if they move nearer to axis of rotation?
4)
What is the power needed to maintain uniform circular motion?
5)
Why centripetal force cannot do work?

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Is radius of gyration a constant quantity ?
2)
Two solid spheres of the same mass are made of metals of different densities. Which of them has a large moment of inertia about the diameter?
3)
The moment of inertia of two rotating bodies A and B are I_A and I_B ( C_A> I_B) and their angular momenta are equal. Which one has a greater kinetic energy?
4)
A particle moves on a circular path with decreasing speed. What happens to its angular momentum?
5)
What is the value of instantaneous speed of the point of contact during pure rolling?

11th Standard English Medium Physics Subject Gravitation Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Why does a tennis ball bounce higher on a hall than on plains?
2)
What is the effect of rotation of the earth on the acceleration due to gravity?
3)
Explain why high & low tide are formed on seas.
4)
A satellite does not need any fuel to aide around, the earth. Why?
5)
By which law is the Kepler's law of areas identical? Is this Kepler's law kinematic?

11th Standard English Medium Physics Subject Gravitation Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is meant by the term free fall?
2)
What is meant by acceleration due to gravity? Is is a scalar or a vector?
3)
What do you mean by weight of a body? Is it a scalar or vector?
4)
Define orbital velocity.
5)
Give some uses of geostationary satellites.

11th Standard English Medium Physics Subject Properties of Matter Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
State and prove Pascal’s law in fluids?
2)
Derive the expression for the terminal velocity of a sphere moving in a high viscous fluid using stokes force.
3)
Obtain an expression for the excess of pressure inside a
i) liquid drop
ii) liquid bubble
iii) air bubble.
4)
Obtain an equation of continuity for a flow of fluid on the basis of conservation of mass.
5)
Describe the construction and working of venturimeter and obtain an equation for the volume of liquid flowing per second through a wider entry of the tube.

11th Standard English Medium Physics Subject Properties of Matter Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Why does the velocity increase when liquid flowing in a wider tube enters a narrow tube?
2)
Name the three types of thermal expansion.
3)
The poisson ratio of a material is 0.5 if a force is applied to a wire of this material, there is a decrease in the cross sectional area by 4% what is the percentage increases in the length.
4)
For a given material, the youngs modulus is 2 - 4 times that of rigidity modulus. What is its poisson's ratio?
5)
A wire of length L and cross section A is made of material of youngs modulus y. It is stretched by an amount x. What is the work done?

11th Standard English Medium Physics Subject Properties of Matter Book Back 5 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
State Hooke’s law and verify it with the help of an experiment?
2)
Derive an expression for the elastic energy stored per unit volume of a wire.
3)
State and prove Pascal’s law in fluids?
4)
Derive the expression for the terminal velocity of a sphere moving in a high viscous fluid using stokes force.
5)
Obtain an expression for the excess of pressure inside a
i) liquid drop
ii) liquid bubble
iii) air bubble.

11th Standard English Medium Physics Subject Properties of Matter Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is the nature of intermolecular forces?
2)
What is the origin of interatomic force?
3)
What is the origin of intermolecular force?
4)
Are the intermolecular forces involved in the formation of liquid & solids different in nature? If yes how?
5)
What is a perfectly elastic body? Give example?

11th Standard English Medium Physics Subject Oscillations Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
In simple pendulum experiment, we have used small angle approximation. Discuss the small angle approximation.
2)
Describe Simple Harmonic Motion as a projection of uniform circular motion.
3)
Write down the difference between simple harmonic motion and angular simple harmonic motion.
4)
Explain the horizontal oscillations of a spring.
5)
Write short notes on the oscillations of liquid column in U-tube.

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is Latent heat of fusion?
2)
What is meant by latent heat of vaporization?
3)
What is latent heat of sublimation?
4)
What is meant by triple point of substance?
5)
What is steady state?

11th Standard English Medium Physics Subject Oscillations Book Back 5 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is meant by angular harmonic oscillation? Compute the time period of angular harmonic oscillation.
2)
Discuss the simple pendulum in detail.
3)
Describe the vertical oscillations of a spring.
4)
Discuss in detail the energy in simple harmonic motion.
5)
Consider the Earth as a homogeneous sphere of radius R and a straight hole is bored in it through its centre. Show that a particle dropped into the hole will execute a simple harmonic motion such that its time period is \(T=2\pi \sqrt { \frac { R }{ g } } \).

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Why is it hotter at the same distance over the top of a fire than in front of it?
2)
When a bottle of cold carbonated drink is opened, a slight fog is formed around the opening. Why?
3)
Why air quickly leaving out of a bottom becomes cooler?
4)
Calorimeters are made of metals not glass. Why?
5)
What is meant by 'temperature'? Give its unit

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is Degree of freedom?
2)
Define root mean square speed (v_rms). Write down its equations.
3)
Define Avogadro's number.
4)
Define Average speed. Write it equation.
5)
Define most probable speed of the gas. Write its expressions.

11th Standard English Medium Physics Subject Waves Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Discuss how ripples are formed in still water.
2)
Show that the velocity of a travelling wave produced in a string is v\(\sqrt { \frac { T }{ \mu } } \)
3)
Write short notes on reflection of sound waves from plane and curved surfaces.
4)
Explain how the interference of waves is formed.
5)
Discuss the law of transverse vibrations in stretched strings.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
When a gas is heated, its temp increases: Explain it on the basis of K.T. of gases.
2)
What are the factors which effect Brownian motion?
3)
On which factors does the average K.E. of gas molecules depend?
4)
What type of motion is associated with the molecule of a gas?
5)
What is meant by rms speed of the molecules of a gas? Is rms speed same as the average speed?

11th Standard English Medium Physics Subject Oscillations Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is oscillatory motion? Give any two examples.
2)
What are periodic motion? Give any two examples.
3)
Define S.H.M.
4)
Why the amplitude of the vibrating pendulum should be small?
5)
When a pendulum clock gains time, what adjustments should be made?

11th Standard English Medium Physics Subject Waves Book Back 5 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Describe Newton’s formula for velocity of sound waves in air and also discuss the Laplace’s correction.
2)
Briefly explain the concept of superposition principle.
3)
What are stationary waves? Explain the formation of stationary waves and also write down the characteristics of stationary waves.
4)
Explain the concepts of fundamental frequency, harmonics and overtones in detail.
5)
Write short notes on intensity and loudness.

11th Standard English Medium Physics Subject Oscillations Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is meant by displacement in SHM?
2)
Define velocity in SHM.
3)
Define acceleration in SHM.
4)
What is meant by phase in SHM?
5)
What is meant by angular oscillation?

11th Standard English Medium Physics Subject Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
If the error in the measurement of radius is 2%, then the error in the determination of volume of the sphere will be
2)
If an object is dropped from the top of a building and it reaches the ground at t = 4 s, then the height of the building is (ignoring air resistance) (g = 9.8 ms^-2)
3)
A book is at rest on the table which exerts a normal force on the book. If this force is considered as reaction force, what is the action force according to Newton's third law?
4)
The work done by the conservative force for a closed path is
5)
From a disc of radius R a mass M, a circular hole of diameter R, whose rim passes through the center is cut. What is the moment of inertia of the remaining part of the disc about a perpendicular axis passing through it

11th Standard English Medium Physics Subject Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Two objects are projected at angles 30° and 60° respectively with respect to the horizontal direction. The range of two objects are denoted as R_30° and R_30°. Choose the correct relation from the following
2)
Force acting on the particle moving with constant speed is
3)
A wind-powered generator converts wind energy into electric energy. Assume that the generator converts a fixed fraction of the wind energy intercepted by its blades into electrical energy. For wind speed v, the electrical power output will be proportional to
4)
Two discs of same moment of inertia rotating about their regular axis passing through center and perpendicular to the plane of the disc with angular velocities ω₁ and ω₁. They are brought in to contact face to face coinciding with the axis of rotation. The expression for loss of energy during this process is
5)
The work done by the Sun’s gravitational force on the Earth is

11th Standard English Medium Physics Subject Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Show that a screw gauge of pitch 1mm and 100 divisions is more precise than a vernier caliper with 20 divisions on the sliding scale.
2)
Write a short note on the scalar product between two vectors.
3)
Can we predict the direction of motion of a body from the direction of force on it?
4)
Explain how the definition of work in physics is different from general perception.
5)
A force of \((4\hat{i}-3\hat{j}+5\hat{k})\) N is applied at a point whose position vector is \((7\hat{i}+4\hat{j}-2\hat{k})\) m. Find the torque of force about the origin.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Give any three applications of physics in our society.
2)
Differentiate fundamental quantities from derived quantities.
3)
What are fundamental units and derived units?
4)
Name the SI unit for electric current and give a definition for it.
5)
Name the SI unit for Luminous intensity and give a definition for it.

11th Standard English Medium Physics Subject Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A particle of mass 2 kg experiences two forces, \(\vec { { F }_{ 1 } } =5\hat { i } +8\hat { j } +7\hat { k } \) and \(\vec { { F }_{ 2 } } =3\hat { i } -4\hat { j } +3\hat { k } \). What is the acceleration of the particle?
2)
A force \(\vec F=\vec i+2\vec j+3\vec k\) k acts on a particle and displaces it through a distance \(\vec S=4\vec i+6\vec j\). Calculate the work done if force and work done are in the same direction?
3)
Why is it much easier to balance a meter scale on your finger tip than balancing on a match stick?
4)
State Kepler’s three laws.
5)
What is Reynold’s number? Give its significance.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write the role of physics in technology.
2)
In what way physics is in relation to chemistry.
3)
What is the relation of physics to biology?
4)
How is physics useful in geology and oceanography?
5)
How can the systematic errors be minimised?

11th Standard English Medium Physics Subject Book Back 3 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Find the dimensions of a and b in the formula \(\left[ P+{{a\over V^2}} \right][V-b]=RT\) where P is pressure and V is the volume of the gas
2)
Two vectors \(\vec A\) and \(\vec B\) of magnitude 5 units and 7 units make an angle 60° with each other. Find the magnitude of the difference vector \(\vec A\) - \(\vec B\) and its direction with respect to the vector \(\vec A\).
3)
Show that impulse is the change of momentum.
4)
A body of mass m is attached to the spring which is elongated to 25 cm by an applied force from its equilibrium position.
(a) Calculate the potential energy stored in the spring-mass system?
(b) What is the work done by the spring force in this elongation?
(c) Suppose the spring is compressed to the same 25 cm, calculate the potential energy stored and also the work done by the spring force during compression. (The spring constant, k= 0.1 N m^-1).
5)
What is the difference between sliding and slipping?

11th Standard English Medium Physics Subject Kinematics Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write an expression for displacement vector in Cartesian coordinate system and also show graphically.
2)
How is a function represented graphically and mathematically.
3)
Define average velocity and represent it graphically.
4)
Write an expression for component of Instantaneous velocity or velocity and also define it.
5)
What does the slope of 'position-time' graph represent? Which physical quantity is obtained from it?

11th Standard English Medium Physics Subject Book Back 3 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Convert a velocity of 72 kmh^-1 into ms^-1 with the help of dimensional analysis.
2)
Write down the kinematic equations for angular motion.
3)
Consider two trains A and B moving along parallel tracks with the same velocity in the same direction. Let the velocity of each train be 50 km h^-1 due east. Calculate the relative velocities of the trains.
4)
Show that impulse is the change of momentum.
5)
Let the two springs A and B be such that k_A > k_B, On which spring will more work has to be done if they are stretched by the same force?

11th Standard English Medium Physics Subject Kinematics Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A girl travels along a straight road due east for the first half distance with speed v₁ and the second half distance with speed v₂. What is the average speed of the girl?
2)
Find the distance travelled by the particle during the time t = 0 to t = 3 seconds from the figure.
3)
If the speed of a particle is v = 10t²m/s. Find out distance covered from t = 2s to t = 5s.
4)
A boy takes 2 second to reach the maximum speed of 18 km/h from rest. What is the magnitude of his average acceleration?
5)
The speed of a car as a function of time as shown figure. Find the acceleration and distance travelled by the car in 8 seconds.

11th Standard English Medium Physics Subject Book Back 5 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write short notes on the following.
(a) Unit
2)
Derive the equations of motion for a particle
(a) falling vertically
(b) projected vertically.
3)
Consider a circular road of radius 20 meter banked at an angle of 15 degree. With what speed a car has to move on the turn so that it will have safe turn?
4)
Explain the method to find the center of gravity of a irregularly shaped lamina?
5)
A fly wheel rotates with a uniform angular acceleration. If its angular velocity increases from 20\(\pi\) rad/s to 40\(\pi\) rad/s in 10 seconds. Find the number of rotations in that period.

11th Standard English Medium Physics Subject Laws of Motion Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
In what ways the force changes the velocity of a particle?
2)
What is Centripetal force? Write the expression for it?
3)
Write the effects of centrifugal force
4)
A force of 10 N changes velocity of a body from 20 ms^-1 to 40 ms^-1 in 8 seconds. How much force is required to bring about the same change in 4s.
5)
A lift is moving down with an acceleration 5.0 ms^-2. Calculate the percentage change in the weight of a person in the lift

11th Standard English Medium Physics Subject Book Back 5 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Check the correctness of the equation\(\frac { 1 }{ 2 } \)mv² = mgh using dimensional analysis method.
2)
Derive the expression for centripetal acceleration.
3)
Describe the method of measuring angle of repose.
4)
Arrive at an expression for elastic collision in one Dimension and discuss various cases.
5)
State and prove parallel axis theorem.

11th Standard English Medium Physics Subject Laws of Motion Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A man getting out of a moving bus runs in the same direction for a certain distance. Comment.
2)
If the net force acting upon the particle is zero, show that its linear momentum remains constant.
3)
A force of 36 dynes is inclined to the horizontal at an angle of 60°. Find the acceleration in a mass of 18 g that moves in a horizontal direction.
4)
The motion of a particle of mass m is described by h = ut + 1/2 gt². Find the force acting on particle.
5)
A particle of mass 0.3 kg is subjected to a force of F = -kx with k = 15 Nm^-1. What will be its initial acceleration if it is released from a point 20 cm away from the origin?

11th Standard English Medium Physics Subject Work, Energy and Power Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is meant by negative work? Give example.
2)
Obtain graphically and mathematically work done by a variable force.
3)
What is mechanical energy? What are its two types?
4)
What does the work-kinetic energy theorem imply?
5)
Draw force-displacement graph for a spring and an expression for the potential energy of an elastic spring.

11th Standard English Medium Physics Subject Work, Energy and Power Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is the stopping distance for a vehicle, of mass m moving with speed v along a level road, if the co-efficient of friction between the tyres and the road is \(\mu\)?
2)
A partice moves along the x-axis from x = 0 to x = 5m under the influence of a force given by F = 7 - 2x + 3x². Find the work done in the process.
3)
Calculate the velocity of the bob of a simple pendulum at its mean position if it is able to rise to a vertical height of 10 cm. Take g = 9.8 m/s².
4)
The potential energy of a spring when stretched through a distance x is 10J. What is the amount of work done on the same spring to sketch it through an additional distance 'x'?
5)
One coolie takes 1 min to raise a box through a height 2m. Another takes 30 m/s for the same job and does the same amount of work. Which one of these two has a greater power?

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write the principle used in beam balance and define Mechanical Advantage.
2)
Find the expression for radius of gyration?
3)
Derive an expression for work done by Torque?
4)
Write the comparison of translational and rotational quantities?
5)
Find the moment of inertia of a uniform rod about an axis which is perpendicular to the rod and touches anyone end of the rod.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write an expression for Cartesian co-ordinates of the CM for uniform distribution of mass.
2)
Show that in the absence of any external force, the velocity of CM remains constant.
3)
Write an equation for velocity and acceleration of CM.
4)
State the factors on which the position of the CM of a rigid body depends.
5)
On what factors does the turning effect of a force depend?

11th Standard English Medium Physics Subject Gravitation Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Determine gravitational potential from gravitational potential energy?
2)
Find the expression of the orbital speed of satellite revolving around the earth.
3)
Why do we have seasons on Earth?
4)
What will be the potential energy of a body of mass 67 kg at a distance of 6.6 x 1010 m from the centre of the earth? Find gravitational potential at this distance.
5)
Find the period of oscillation of a simple pendulum of length L suspended from the roof of a vehicle which moves without friction down an inclined plane of indentation \(\alpha\).

11th Standard English Medium Physics Subject Gravitation Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Why the gravitational force between the Earth and the Sun is so great while the same force between two small objects is negligible?
2)
Discuss the forces which depend on the type on the type of interaction.
3)
A mass M is broken into two parts, on & (M-m). How is m related to M so that the gravitational force between two parts is maximum?
4)
Draw graphs showing the variation of acceleration due to gravity with
(i) height above the earth's surface
(ii) depth below the earth's surface.
5)
Find the period of oscillation of a simple pendulum of length \(\alpha\) suspended from the roof a vehicle which moves without friction down an inclined plane of inclination \(\alpha.\)

11th Standard English Medium Physics Subject Properties of Matter Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
How do you differentiate solid liquid & gas?
2)
Write any three applications of viscosity.
3)
Which is more elastic steel or rubber? Explain.
4)
A capillary tube is dipped first in cold water and then in hot water. Comment on the capillary rise in the second case.
5)
The upper end of a wire of radius 4mm & length 100cm is clamped and its other rend is twisted through an angle of 30° the angle of shear is.

11th Standard English Medium Physics Subject Properties of Matter Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Stress - Strain curve for two wires of material A and B are as shown in figure.

(a) Which material in more ductile?
(b) Which material has greater value of young's modulus?
(c) Which of the two is stronger material?
(d) Which material is more brittle?
2)
A body floats in water with 40% of its volume outside water. When the same body floats in oil 60% of its volume, remains outside oil. What is the relative density of the oil?
3)
A light rod of length 2m is suspended horizontally by means of 2 vertical wires of equal lengths tied to its ends. One of the wires is made of steel & is of cross section A₁ = 0.1 cm² & other of brass & is of cross section A₂ = 0.2 cm², find out the position along the rod at which a weight must be suspended to produce
(i) equal stresses in both wires
(ii) equai strains in both wires for steel, y = 20\(\times\)10¹⁰ Nm^-2 & for brass y =10\(\times\)10¹⁰ Nm^-2.
4)
Athin rod of negligible mass and area of cross sectional 4\(\times\)10^-6m2, suspended vertically from one end has a length of 0.5 at 100°C the rod is cooled at 0⁰C, but prevented from contracting by attaching a mass at lower end. Find
(i) mass
(ii) the energy stored in rod. Given for rod, y =1011 Nm^-2, coefficient of linear expansion = 10^-5 k^-1 & g = 10 ms^-2.

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
How does the internal energy of a thermodynamic system change?
2)
Define cyclic processes
3)
Write the conditions for reversible process.
4)
What is meant by triple point? Give the values of triple point pressure & triple point temperature of water.
5)
A metal tube & a rod of same distance, same material & same outer diameter are given same amount of heat. Which will show less expansion & why?

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
State the factors on which the conduction of heat through a substance depends.
2)
Write any 3 phenomena which are based on thermal convection.
3)
Describe the two ways of changing the internal energy of a system.
4)
Describe an analytical method for determining the work done during the expansion of gas.
5)
Explain first law of thermodynamics.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Derive an expansions for the work done in one cycle during adiabetre expansion.
2)
State and explain Boyle's law.
3)
State and explain Charle's law.
4)
State and derive the perfect or ideal gas equation?
5)
Define and derive Boltzmann constant.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is an ideal gas? Why do the real gases show deviations from ideal behaviour?
2)
Explain how does a gas exert pressure on the bases of kinetic theory of gases.
3)
Give the kinetic interpretation of temperature.
4)
In the upper part of the atmosphere the kinectic temperature of air is of the order of 1000 K, even then one feels severe cold there. Why?
5)
On which factors does the mean free path depend?

11th Standard English Medium Physics Subject Oscillations Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The bob of vibrating simple pendulum is made of ice. How will the period of swing will change when the ice starts melting?
2)
Discuss strings stretched between fixed points.
3)
At what displacement
(i) the p. E of a simple harmonic oscillator is maximum
(ii) the k. E is maximum?
4)
Can a motion be oscillatory, but not simple hormonic. If your answer is yes, give an explanation and if not explain why?
5)
Every simple harmonic motion is periodic motion but every periodic motion need not be simple harmonic motion. Do you agree? Give example.

11th Standard English Medium Physics Subject Oscillations Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
How can earthquakes cause disaster sometimes?
2)
Sometimes a wire glass is broken by the powerful voice of a celebrated singer why?
3)
Glass windows may be broken by a far away explosion. Explain why?
4)
The body of a bus begins to rattle sometimes, when the bus picks up a certain speed, why?
5)
What will be the change in time period of a loaded spring, when taken to moon?

11th Standard English Medium Physics Subject Waves Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write about the formation of waves in a tuning fork.
2)
Write the characteristics of wave motion.
3)
Distinguish between transverse and longitudinal waves.
4)
Define angular frequency, wave number and wave vector.
5)
What is the relation between the velocity and temperature?

11th Standard English Medium Physics Subject Waves Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write the application of reflection of sound though the be curved surface.
2)
Write a not about Stethoscope.
3)
How are sound waves-classified?
4)
Derive the Equation of a plane progressive wave.
5)
Derive the relation between Intensity and loudness

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 5 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Explain propagation of errors in the difference of two quantities and also in the division of two quantities.
2)
Write to causes of errors in measurement.
3)
How will you determine the distance of moon from earth using parallax method?
4)
Briefly explain the different types of errors and their causes with an example. How can these error be minimised?

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 5 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The value Gin CGS system is 6.67\(\times\)10^-8 dyne cm² g^-2. Calculate the value in SI units.
2)
Check the dimensional consistency of the following equations.
(i) de-Broglie wavelength, \(\lambda ={h\over mv}\)
(ii) Escape velocity, v = \({\sqrt{2GM\over R}}\)
3)
A planet moves around the sun in nearly circular orbit. Its period of revolution 'T' depends upon.
(i) radius 'r' of orbit
(ii) mass 'm' of the sun and
(iii) The gravitational constant G Show dimensionally that T² \(\propto\)r³.
4)
One mole of an ideal gas at STP occupies 22.4 L. What is the ratio of molar volume to atomic volume of a mole of hydrogen? Why is the ratio so large? Take radius of hydrogen molecule to be 1^oA.
5)
The frequency of vibration of a string depends of on,
(i) tension in the string
(ii) mass per unit length of string
(iii) vibrating length of the string
Establish dimensionally the relation for frequency.

11th Standard English Medium Physics Subject Kinematics Creative 5 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Define the term motion and explain the different types of motion.
2)
Explain triangular law of addition method.
3)
Explain the subtraction of vectors.
4)
Mention important properties of the scalar product of two vectors.
5)
Find horizantal range and Time of flight projectile in horizontal projection.

11th Standard English Medium Physics Subject Kinematics Creative 5 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Find the angle between two vectors \(A=\hat { i } +2\hat { j } -u\ and\ B=-4\hat { i } +\hat { j } -2u\)
2)
Two bodies of mass 30 and 6g have position vectors \(2\hat { i } +\hat { j } +3u\ and\ \hat { j } +3\hat { j } +2u\) respectively. Find the position vectors of centre of mass.
3)
Express cross and dot product of two vectors in Cartesian coordinate.
4)
Find the magnitude and directions of the vectors, \(\hat { i } +\hat { j } \ and\ \hat { i } -\hat { j } \)
5)
Find the vector sum of three vectors \(\overrightarrow { A } ,\overrightarrow { B } \ and \ \overrightarrow { C } \) , using analytical method.

11th Standard English Medium Physics Subject Laws of Motion Creative 5 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Find
(i) acceleration
(ii) speed of the sliding object using free body diagram.
2)
Write the Salient features of Static and Kinetic friction
3)
What is Static Friction? Explain
4)
Find the impulse of a constant force and variable force with diagrams.
5)
Give some examples for centripetal force.

11th Standard English Medium Physics Subject Laws of Motion Creative 5 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Prove Impulse - Momentum equation.
2)
Show how impulse force can be measured graphically.
3)
What happens to the object at rest if
(i) f_s = 0
(ii) fs = Fext
(iii) fs = max.
4)
Using Newton's laws calculate the tension acting on the mango (mass m = 400g) hanging from a tree.
5)
Briefly explain how is a horse able to pull a cart.

11th Standard English Medium Physics Subject Work, Energy and Power Creative 5 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Deduce the relation between momentum and kinetic energy.
2)
Derive an expression for the potential energy of a body near the surface of the Earth.
3)
What is meant by elastic potential energy? Drive an expression for the elastic potential energy of the spring.
4)
State and prove the law of conservation of energy.
5)
Derive an expression for the velocity of the body moving in a vertical circle. And also find a tension at the bottom and the top of the circle.

11th Standard English Medium Physics Subject Work, Energy and Power Creative 5 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is meant by positive work, negative work and zero work? Give one example of each.
2)
Discuss the results of work - Energy theorem.
3)
Derive the relation between momentum and kinetic energy.
4)
Derive an expression for the gravitational potential energy of a body of mass 'm' raised to a height 'h' above the earth's surface.
5)
Derive an expression for the potential energy of an elastic stretched spring.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 5 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
State in the absence of any external force the velocity of the centre of mass remains constant.
2)
Define Torque and derive its expression.
3)
Define angular momentum and derive the expression of it.
4)
Obtain the relation between Torque and angular acceleration.
5)
Discuss the pure rolling and find the condition for rolling without slipping and sliding.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 5 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write an expression for the KE of a body rolling without slipping with centre of mass as reference.
2)
Write an expression for the KE of a body rolling without slipping with point of contact as reference.
3)
Derive an expression for center of mass for distributed point masses.
4)
Derive an expression for kinetic energy in rotation and establish the relation between rotational kinetic energy and angular momentum.
5)
Discuss how the rolling is the combination of translational and rotational and also be possibilities of velocity of different points in pure rolling.

11th Standard English Medium Physics Subject Properties of Matter Creative 5 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write the Applications of elasticity.
2)
Write the applications of surface tension?
3)
Write any two applications of Bernoulli's Theorem.
4)
Define
(i) Specific heat capacity
(ii) Heat capacity
(iii) Molar specific heat capacity at constant pressure and at constant volume and write their units.
5)
What is latent heat? Give its units. With the help of a suitable graph, explain the terms latent heat of fusion and latent heat of vaporisation.

11th Standard English Medium Physics Subject Properties of Matter Creative 5 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
If a ball of skeel (density p =7.8 g cm^-3) attains a terminal velocity of 10 cm S^-1 when falling in a tank of water (coefficient of viscosity) water = 8.5\(\times\)10^-4pa s. What will the terminal velocity in glycerine (P = 1.2 g cm^-3, η = 13.2 ρa.s) be?
2)
An deal gas is expanded such that ρT² = a constant find the coefficient of volume expansion of the gas.
3)
Two rods of equal length and diameter have thermal conductivities 3 & 4 units. If they joined in series. Find the thermal conductivity of the combination.
4)
The terminal velocity of a tiny droplet is V. N number of such identical droplets combine together forming a bigger drop v Find the terminal velocity of the bigger drop?
5)
Two spherical soap bubble coalesce. If V be the change in volume of the contained air, A is the change in total surface area then show that 3PV + 4AT = 0 Where T is the surface tension and P is atmospheric pressure.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 5 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Derive Meyer's relation.
2)
State Newton's law of cooling verify with an experiment.
3)
Explain postulates of the kinetic theory of gases.
4)
From a certain apparatus, the diffusion rate of hydrogen has an average value of 28.7 cm³/s, The diffusion of another gas under the same condition is measured to have an average rate of 7.2 cm³/s. Identify the gas.
5)
An air bubble of volume 1.0 cm² rises from the bottom of a lake 40 m deep at a temperature of 12°C. To what volume does it grow when it reaches the surface which is at a temperature of 35°C?

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 5 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Explain postulates of the kinetic theory of gases.
2)
One mole of a monoatomic gas is mixed with three moles of a diatomic gas. What is the molecules specific heat of the mixture at constant volume? [8.311 moI^-1K^-1]
3)
0.014 kg of nitrogen is enclosed in a vessel at a temperature of 27°C. How much heat has to be transferred to double the rms speed of its molecules.
4)
Speed of an atom in an argon gas cylinder equal to the rms speed of a helium gas atom at -20°C? [Atomic mass of Ar =39.90, He =4.04]
5)
Motor volume is occupied 1 moleof any (ideal) gas at standard temperature and pressure. Show that it is 22.4 litres.

11th Standard English Medium Physics Subject Oscillations Creative 5 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write a short note on Simple Harmonic Motion.
2)
Show that the projection of uniform circular motion on a diameter is SHM.
3)
Explain Displacement, velocity in SHM, and derive special cases.
4)
Explain acceleration is S.H.M, and discuss its special cases.
5)
Explain briefly about the graphical representation of Displacement, velocity and acceleration in SHM.

11th Standard English Medium Physics Subject Oscillations Creative 5 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Explain briefly about oscillations.
2)
One end of a U-tube containing mercury is connected to a suction pump and the other end to atmosphere. A small pressure difference is maintained between the two columns. Show that, when the suction pump is removed, the liquid column of mercury in the U-tube executes simple harmonic motion.
3)
Consider a simple pendulum having a bob attached to a string, that oscillates under the action of the force of gravity. Suppose that the period of oscillation of the simple. Pendulum depends on its length (I), mass of the bob, (m) and acceleration due to gravity (g). Derive the expression for its time period using method of dimension.
4)
Two simple harmonic moles are represented by Y₁=0.1 sin (100 \(\pi\)t + \(\pi\)/3) and Y₂=0.1 cos what is the phase difference of the velocity of the particle 1 with respect to the velocity of particle?
5)
A simple pendulum has time period T, the point of suspension is now moved upward acceleration to the relation Y= kt² (k = 1 ms^-2) where Y is the verticle displacement the time period now becomes T₂. What is the ratio \(\frac { { T }_{ 1 }^{ 2 } }{ { T }_{ 2 }^{ 2 } } \)? Given g=10 ms^-2.

11th Standard English Medium Physics Subject Waves Creative 5 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write the expression for the velocity of longitudinal waves in an elastic medium.
2)
Discuss the effect of density, humidity and wind.
3)
Write the applications of reflection of sound waves.
4)
Write Characteristics of progressive waves.
5)
Explain the Graphical representation of the wave.

11th Standard English Medium Physics Subject Waves Creative 5 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write the applications of reflection of sound waves.
2)
Audible frequencies have a range of 20 Hz to 20 x 10³ Hz. Express 't' is range in terms of
(i) period T
(ii) wavelength air at
(iii) angular frequency w (Given velocity of sound in O°C = 331 m/s)
3)
A fruit dropped from the top of a tree of height 200 m high splashes into the water of a pond near the base of the tree. When is the splash heard at the top given that the speed of sound in air is 340 ms^-1.
4)
For the travelling : harmonic wave y(x, t) = 2.0 cos 2π [St - 0.0060x + 0.27], where x and yare in cm and t in s.
Calculate the phase difference between oscillatory motion of two points separated by a distance of,
(a) 300 cm
(b) 0.75 m (c)\(\lambda\over 4\)
5)
A transverse harmonic wave on a string is described by y(x, t) = 5.0 sin (48t + 0.0264x + ), where x and y are in cm and t in sec. The positive direction of x is from left to right.
(a) What are its amplitude and frequency?
(b) What is the least distance between two success in crests in the wave?

11th Standard English Medium Physics Subject Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Astromical Scale is dealt with the _________ Physics
2)
Choose the motion in two dimension from the following.
3)

Two blocks A & B of masses 2m & m are connected by a massless and inextensible strong. The magnitudes of acceleration of A & B immediately after the string is cut are ____________.
4)
A cricket ball falls from a height of 40 m. What is the velocity with which the ball hits the ground?
5)
Four identical spheres each of mass m are placed at the corners of square of side 2 m. Taking the point of intersection of the diagonals as the origin the coordinates of the centre of mass are?

11th Standard English Medium Physics Subject Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The fractional error \(\left( {{\triangle x}\over{x}} \right)\) _____________.
2)
What is the resultant vectors, when 2 vectors are at right angles to each other?
3)
A car starting from rest, accelerates at a constant rate x from sometimes after which it decelerates at a constant rate y to come to rest. If the total time elapsed is t, the maximum velocity attained by the car is given by ______________.
4)
A body of mass 3 kg moves with an acceleration 2ms^-2. The change in momentum in one second is _______________.
5)
If the tension in the cable of 1000 kg elevator is 1000 kg weight, then the elevator _____________.

11th Standard English Medium Physics Subject Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is Physics?
2)
Give some examples of physical quantities which can be expressed as the vector product of two vectors.
3)
What are the factors are determined by these forces?
4)
State law of conservation of energy
5)
State the rule which is used to find the direction of torque.

11th Standard English Medium Physics Subject Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is the formula representation of Mean Absolute error?
2)
Can the relative velocity of two bodies be greater than the absolute velocity of either body?
3)
"Jumping on a cemented floor receives more injuries than on the sand" - Given reason.
4)
A man run a distance on the level road. The same man ascends up a hill with the same velocity through the same distance. When does he do more work?
5)
Which component of linear momentum does not contribute to angular momentum?

11th Standard English Medium Physics Subject Creative 3 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What are fundamental units and derived units?
2)
What is meant by Collinear vector? Explain them.
3)
What is Centripetal force? Write the expression for it?
4)
What is mechanical energy? What are its two types?
5)
What is rolling motion?

11th Standard English Medium Physics Subject Creative 3 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is the relation of physics to biology?
2)
Write an expression for an acceleration rectangular components.
3)
An artificial satellite of mass 3000 kg is orbiting around the earth with speed of 4500 ms^-1at a distance of 10000 km from the earth. Calculate the centripetal force acting on it.
4)
A block of mass 5 kg is placed on the floor, the coefficient of static friction is 0.6. A force of 3.8 N is applied on the block. Find the force on friction between the block and the floor.
5)
A force of 36 dynes is inclined to the horizontal at an angle of 60°. Find the acceleration in a mass of 18 g that moves in a horizontal direction.

11th Standard English Medium Physics Subject Creative 5 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Mention important properties of the scalar product of two vectors.
2)
Find
(i) acceleration
(ii) speed of the sliding object using free body diagram.
3)
State and prove the law of conservation of energy.
4)
Define Torque and derive its expression.

11th Standard English Medium Physics Subject Creative 5 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The frequency of vibration of a string depends of on,
(i) tension in the string
(ii) mass per unit length of string
(iii) vibrating length of the string
Establish dimensionally the relation for frequency.
2)
A car moving uniform motion with speed 120 kmh^-2 is brought to a stop within a distance of 200 m. How long does it take for the car to stop?
3)
Briefly explain how is a horse able to pull a cart.
4)
Derive an expression for the potential energy of an elastic stretched spring.
5)
Discuss how the rolling is the combination of translational and rotational and also be possibilities of velocity of different points in pure rolling.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Astromical Scale is dealt with the _________ Physics
2)
Microscopic group of Physics dealt with the study of ____________.
3)
Which is deals with the study of materials of an intermediate length scale?
4)
What is the range of astronomical time scales to microscopic scales?
5)
The law of electricity and magnetism is used to ____________

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The displacement of a particle moving afong x-axis with respect to time is given by x =at + bt² - ct³. The dimensions of b are ________________.
2)
The Van der Waal equation for n moles of a real gas is \((P+\frac{a}{V^2})(V-b)=RT\) where P is the pressure. V is the volume. T is the absolute temperature. R is the molar gas constant and 'a' and 'b' are Van der Waal constants. The dimensions of 'a' are the same as those of _______________.
3)
The dimensions of \(\frac { 1 }{ \sqrt { { \mu }_{ 0 }{ \varepsilon }_{ 0 } } } \) are the same as those of ______________.
4)
The speed of gravity waves in water is proportional to \(\lambda^a\rho^bg^y\) where \(\lambda\) is the wavelength, p is the density of water and g is the acceleration due to gravity. The correct relation between \(\alpha,\beta\) and r is _______________.
5)
If E and B respectively, represent electric field and magnetic induction field, then the ratio \(\frac{E}{B}\) has the dimensions of _____________.

11th Standard English Medium Physics Subject Kinematics Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The displacement of particle is given by X = a_o+ \(\frac{a_1t}{2}-\frac{2_2t^2}{3}\) What is its acceleration?
2)
The slope of the velocity-time graph for retarded motion is ______________
3)
The path of a particle moving under the influence of a force fixed in magnitude and direction is ______________
4)
A train is moving towards east and a car is along north, both with same speed. The passenger in the train is observed the car moving in which of the following direction?
5)
A man should hold his umbrella with vertical, when rain falls vertically with velocity \(\vec { { V }_{ R } } \) and man walks horizontally with velocity \(\vec{{V}_{M}}\) is _____________

11th Standard English Medium Physics Subject Kinematics Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Vectors which acts along the same line are called _____________
2)
What is the resultant vectors, when 2 vectors are at right angles to each other?
3)
Resultant of the 2 vector is maximum when angle between them is _____________
4)
Two vectors act along the mutually perpendicular directions are called______vectors.
5)
The dot product of two vectors is _____________

11th Standard English Medium Physics Subject Laws of Motion Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A heavy iron rod of weight W is having its one end on the ground and the other on the shoulder of a man. The rod makes an angle ፀ with the horizontal. What is the weight experienced by the man?
2)
A ship of mass 3\(\times\) 10⁶ kg initially at rest is pulled by a force of 6 \(\times\) 10⁴ N through a distance of 4m. The speed of the ship is (Assume resistive of water is negligible)
3)

Two blocks A & B of masses 2m & m are connected by a massless and inextensible strong. The magnitudes of acceleration of A & B immediately after the string is cut are ____________.
4)
A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m. A force F is applied at the free end of the rope. The force exerted by the rope on the block ____________.
5)
Three forces F₂, F₂ & F₃ are acting on a particle of mass m such that F₂ & F₃ are mutually perpendicular, then the particle remains stationary. If the force F₁ is now removed, then the acceleration of the particle is _____________.

11th Standard English Medium Physics Subject Laws of Motion Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The motion of a rocket is based on the principle of conservation of _____________.
2)
A simple pendulum is set up in a trolley which is moving with an acceleration 'a' on a horizontal plane. Then the thread of the pendulum in the mean position makes an angle with the vertical equal to _____________.
3)
A marble block of mass 3 kg lying on ice when given a velocity of 5 ms^-1is stopped by friction in 10s. Then the coefficient of friction is ______________.
4)
A particle revolves round a circular pattern. The acceleration of the particle is inversely proportional to ______________
5)
A stone tied to a string is rotated with a uniform speed in vertical plane. If mass of the stone is m, length of the string is r and linear speed of the stone is v, then tension in the string, when the stone is at its lowest point is ______________

11th Standard English Medium Physics Subject Work, Energy and Power Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A ball moves on a frictionless inclined table without slipping. The work done by the table surface on the ball is ____________.
2)
A force\(\overrightarrow { F } =3\hat { i } +c\hat { j } +2\hat { k } \) acting on a particle causes a displacement \(\overrightarrow { S } =(2\hat { i } -3\hat { j } +4\hat { k } )\) in its own direction. If the work done is 8J, then the value of c is ______________.
3)
A body is falling from a height h. After it has fallen a height \(\frac{h}{2}\) it will possess _______________
4)
Water stored in a dam possesses _______________.
5)
Which one of the following is not the unit of energy?

11th Standard English Medium Physics Subject Work, Energy and Power Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A particle is projected making an angle of 45° with horizontal having kinetic energy K. The kinetic energy at highest point will be ____________.
2)
If \(\vec F=(60\hat i+15\hat j-3\hat k)\)N and \(\vec v=(2\hat i-4\hat j+5\hat k)\) m/s, then instantaneous power is ___________.
3)
A mass of 1 kg is thrown up with a velocity of 1.00 m/s. After 5 seconds, it explodes into two parts. One part of mass 400 g comes down with a velocity 25 m/s. The velocity of other part is (Take g = 10 ms^-2)
4)
Two bodies with kinetic energies in the ratio of 4: 1 are moving with equal linear momentum. The ratio of their masses is _______________.
5)
A force acts on a 3 g particle, in such a way that the position of the particle as a function of time is given by x = 3t - 4t² + t³, where x is in metres and t is in seconds. The work done during the first 4 second is _____________.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A system consisting of two masses connected by a massless rod lies along the x axis. If 0.2 kg mass is at a distance x = 0.5m while a 0.3 kg mass is at a distance x = 1m, then the x - co-ordinate of the centre of mass will be at ______________.
2)
If earth suddenly contracts to 0.75 times of its present radius, then the length of the day becomes _______________
3)
The angular momentum of a rotating body is doubled, its K.E. of rotation becomes ________________
4)
Where will be the centre of mass on combining two masses m and M (M > m)?
5)
Two bodies of masses 2 kg and 3 kg have position vectors \(\hat { i } +2 \hat { j} +\hat { k} \) and \(\hat { -4i } - \hat {(-3j)} +\hat { 6k} \) respectively. The centre of mass of this system has a position vector _____________.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Which of the following has largest M.I _________________.
2)
A dancer on ice spins faster when she folds her arms. This is due to _________________.
3)
A bomb traveling in a parabolic path explodes in mid-air. The C.M. of fragments will _______________.
4)
Consider a system of two identical particles. One is at rest and the other has an acceleration \(\overrightarrow { a } \). The centre of mass has an acceleration ______________.
5)
The least coefficient of friction for an inclined plane inclined at an angle \(\alpha\) with horizontal, in order that a solid cylinder will roll down it without slipping?

11th Standard English Medium Physics Subject Gravitation Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The radii of two planets are respectively R₁ and R₂ and their densities are respectively \(\rho\)₁ and \(\rho\)₂ the ratio of the accelerations due to gravity at their surface is ________
2)
The acceleration due to gravity near the surface of a planet of radius R and density d is proportional to ____________.
3)
The acceleration of a body due to the attraction of the Earth (radius R) at a distance 2R from the surface of the Earth is __________.
4)
If density of Earth increased 4 times and its radius becomes half of then out weight will be ________.
5)
The radius of the Earth is 6400 km and g = 10 ms^-2 in order that a body of 5 kg weights zero at the equator, the angular speed of the Earth is _______ rad R^-1

11th Standard English Medium Physics Subject Gravitation Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The contact angle between a solid & a liquid is a property of ______________.
2)
The properties of a surface are different from those of the bulk liquid because the surface molecules are ______________.
3)
When a capillary tube is dipped into a liquid the liquid neither rises nor falls in the capillary ________.
4)
A liquid is contained in a vertical tube of semicircular cross section the contact angel is zero. The force of surface tension on the curved part & on the flat part are in ratio ______________.
5)
According to Kepler, planet move in _____________.

11th Standard English Medium Physics Subject Properties of Matter Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Water rises in a capillary tube to a certain height such that the upward force due to the surface tension is balanced by 62.84\(\times\)10^-5N force due to the weight of the liquid column. If the surface tension of water is 70\(\times\)10^-3Nm the radius of the capillary tube is ____________.
2)
The work done against surface tension in blowing a soap bubble from a radjus of 5 cm to 15 cm is ____________. (surface tension of soap solution is 30\(\times\)10^-3 Nm^-1)
3)
Ablack body is continuously radiating measured at a temperature of 2880 k if U₁ U₂ and U₃ are the amount of radiation measured between the wavelengths 599 & 600 nm, 999 & 1000 nm & 1499 & 1500 nm respectively then _____________ (wiresconstant b = 2.88\(\times\)10²⁶ kmk)
4)
A wooden block is taken to the bottom of a deep column lake of water and then released it rises up with a _____________.
5)
If there were no gravity, which of the following will not be there for a fluid?

11th Standard English Medium Physics Subject Properties of Matter Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A steel ball is dropped in oil, then ______________.
2)
An aeroplane gets its upward lift due to phenomenon described by the _____________.
3)
The rate of flow of liquid through an orifice of a tank does not depend upon ____________.
4)
A rectangular vessel when full of water, takes 10 min to be emptied through an orifice in its bottom, how much time will it take to be emptied when half filled with water _____________.
5)
One large soap bubble of diameter D breakes into 27 bubbles having surface tension T, the change in surface energy is _______________.

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The length of a metal rod at 0°C is 0.5m. When it is heated, its length increases by 2.7 mm. The final temperature of the rod is (coefficient of linear expansion of the metal = 90 x 10^-6/°C) _______.
2)
A bimetal made of copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will ___________.
3)
When water is heated from 0^oC to 0^oC, its volume ________.
4)
A block of wood is floating on water at 0^oC with a certain volume V above water level. The temperature of water is slowly raised to 20^oC. How does the volume V change with the rise of temperature?
5)
An iron tyre is to be fitted on a wooden wheel 0.1 in diameter. The diameter of the tyre is 6 mm smaller than that of the wheel. The tyre should be heated by a temperature of (coefficient of volume expansion of iron is 3.6\(\times\)10^-5/°C) ________

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Two vessels A and B contain the same ideal gas. The volume of B is twice that of A, the pressure in B is twice that in A and the temperature of B is twice that of A. The ratio of the number of gas molecules in A and B is _______________.
2)
According to Boyle's law, PV = C when the temperature of the gas remains constant. The value of C depends on ______________.
3)
The pressure of a gas contained in a closed vessel is increased by 0.4% when heated by 1°C. The initial temperature was ____________________.
4)
A temperature difference of 25°C is equivalent to a temperature difference of ______________.
5)
A temperature at which both the Fahrenheit and the centigrade scales have the same value is ___________

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
In ideal gas is expanding such that PT² = constant. The coefficient of volume expansion of the gas is ______________.
2)
Moving with uniform speed. The temperature of the gas molecules inside will _____________.
3)
During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature the ratio \(\frac { { C }_{ p } }{ { C }_{ v } } \)for the gas is _____________.
4)
The gas having average speed four times as that of SO₂ (molecule mass 64) is ____________.
5)
The ratio of the vapour densities of two gases at a gn is 9 : 8. The ratio of the r_ms velocity of their molecules is ________________.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
On colliding with the walls in a closed container, the ideal gas molecules _______________
2)
The speeds of 5 molecules of a gas (in arbitrary units) are as follows: 2, 3, 4, 5, 6 The root mean square speed for these molecule is _________________.
3)
At absolute zero temperature, the K.E. of the molecules becomes ________
4)
If the rms speed of the molecules of a gas is 1000 ms^-1 the average speed of the molecule is ______________.
5)
The gas having average molecular speed four times that of SO₂ (molecular mass 64) is _______________

11th Standard English Medium Physics Subject Oscillations Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A particle executing a SHM has a maximum displacement of 2 cm its acceleration at a distance of 0.5 cm from its mean position is 2 cm/s², What will be its velocity when it is at a distance of 1 cm from its mean position?
2)
A body of mass 1 kg is executing SHM given by, x = 4 Cos\(\left( 100t+\frac { \pi }{ 2 } \right) \)cm. Whatis the velocity?
3)
The piston in the cylinder head of a locomotive has a stroke (twice the amplitude) of 1.0 m. If the piston moves with S.H.M with an angular frequency of 200 rad/min. Then the maximum speed will be _________.
4)
A spring balance has a scale that reads from o to 50 kg the length of the scale is 20 cm. A body suspended from this balance, when displaced and released, oscillates with a period of 0.6 s. Then the weight of the body will be ______________.
5)
A small body of mass 50 g is undergoing SHM of amplitude 100 cm and period 0.2 s. What is the maximum value of the force acting on the body?

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Which of the following pairs of physical quantities have same dimension?
2)
The velocity of a particle v at an instant t is given by v = at + br². The dimensions of b is
3)
The density of a material in CGS system of units is 4 g cm^-3. In a system of units in which unit of length is 10 cm and unit of mass is 100 g, then the value of density of material will be
4)
The dimension of \({\left( {\mu}_{0}{\epsilon}_{0} \right)}^{{{1}\over{2}}}\) is
5)
A length-scale (I) depends on the permittivity (e) of a dielectric material, Boltzmann constant (kB), the absolute temperature (T), the number per unit volume (n) of certain charged particles, and the charge (q) carried by each of the particles. Which of the following expression for I is dimensionally correct?

11th Standard English Medium Physics Subject Oscillations Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A seconds pendulum is placed in a space laboratory orbiting around the Earth at a height 3R from the Earth's surface where R is the radius of the Earth. The time period of the pendulum will be ________.
2)
A mass m is vertically suspended from a spring of negligible mass; the system oscillates with a frequency n. What will be the frequency of the system, if a mass 4m is suspended from the same spring?
3)
Two simple pendulums of lengths 0.5m and 2.0m respectively are given small linear displacement in one direction at the same time. They will again be in phase when the pendulum of shorter length has completed _______ oscillations.
4)
A body is executing simple harmonic motion with an angular frequency 2 rod/sec. The velocity of the body at 20mm displacement, when the amplitude of motion is 60mm, is _____________.
5)
If the displacement of a particle executing SHM, is given by y = 0.30 sin (220t + 0.64) in metre, then the frequency and the maximum velocity of the particle are (t is in seconds) ________.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
If the error in the measurement of radius is 2%, then the error in the determination of volume of the sphere will be
2)
The length of a body is measured as 3.51 m, if the accuracy is 0.01 mm, then the percentage error in the measurement is
3)
If \(\pi=3.14,\) then the value of \({\pi}^{2}\) is
4)
The dimensional formula of Planck's constant h is
5)
The dimensional formula for gravitational constant G is

11th Standard English Medium Physics Subject Waves Creative 1 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Y₁ = 4 sin(wt + kx), Y₂ = -4 cos(wt + kx), the phase difference is ________________.
2)
A wave equation is y = 0.01 sin (100\(\pi t\) - kx) of wave velocity is l00m/s, its number is equal to ________________.
3)
A particle on the tough of a wave art any instant will come to the mean position after a time (7= time period) ______________.
4)
An organ pipe of length I vibrates in the fundamental mode, the pressure variation is maximum _______________.
5)
If an experment with sonometer, a tuning fork of frequency 256 Hz resonates with a length of 25cm and another tuning fork resonates with constants the frequency of the second tuning fork is _________________.

11th Standard English Medium Physics Subject Kinematics Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
If a particle has negative velocity and negative acceleration, its speed
2)
If an object is dropped from the top of a building and it reaches the ground at t = 4 s, then the height of the building is (ignoring air resistance) (g = 9.8 ms^-2)
3)
If one object is dropped vertically downward and another object is thrown horizontally from the same height, then the ratio of vertical distance covered by both objects at any instant t is
4)
If a particle executes uniform circular motion in the xy plane in clock wise direction, then the angular velocity is in
5)
If an object is thrown vertically up with the initial speed u from the ground, then the time taken by the object to return back to ground is

11th Standard English Medium Physics Subject Waves Creative 1 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
the velocity of sound in air is 340 ms^-1, a person singing a note of frequency 250 cps is producing sound waves with a wavelength of ________
2)
As a transverse wave strikes against a fixed end ________.
3)
A source of sounds is travelling with a velocity of 40 km/hr towards an observer and emits sound of frequency 2000 Hz. If the velocity of sound is 1220 km/hr, then what is the apparent frequency heard by the observer?
4)
A vehicle with a horn of frequency n is moving with a velocity of 30 m/s in a direction perpendicular to the straight line joining the observer and the vehicle. The observer perceives the sound to have a frequency n + n₁. Then (if the sound velocity in air is 300 m/s) _________
5)
The Doppler effect is applicable for ________.

11th Standard English Medium Physics Subject Kinematics Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Identify the unit vector in the following?
2)
Two objects of masses m₁ and m₂ fall from the heights h₁ and h₂ respectively. The ratio of the magnitude of their momenta when they hit the ground is
3)
If the velocity is \(\overrightarrow { v } =2\hat { i } +{ t }^{ 2 }\hat { j } -9\overrightarrow { k } \), then the magnitude of acceleration at t = 0.5s is
4)
A ball is projected vertically upwards with a velocity v. It comes back to ground in time t. Which v-t graph shows the motion correctly?
5)
A ball is dropped from some height towards the ground. Which one of the following represents the correct motion of the ball?

11th Standard English Medium Physics Subject 11th Standard English Medium Physics Subject Waves Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Define frequency and time period.
2)
Give the relation between velocity v, angular frequency \(\omega\) and wave number \(\lambda\)?
3)
Define amplitude of the wave.
4)
What is the effect of pressure on velocity of sound in gas?
5)
What is Echo?

11th Standard English Medium Physics Subject Laws of Motion Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Choose appropriate free body diagram for the particle experiencing net acceleration along negative y direction. (Each arrow mark represents the force acting on the system).
2)
Two blocks of masses m and 2m are placed on a smooth horizontal surface as shown. In the first case only a force F₁ is applied from the left. Later only a force F₂ is applied from the right. If the force acting at the interface of the two blocks in the two cases is same, then F₁ :F₂ is
3)
An object of mass m begins to move on the plane inclined at an angle θ. The coefficient of static friction of inclined surface is μ_s. The maximum static friction experienced by the mass is
4)
When an object is at rest on the inclined rough surface ____________.
5)
Choose the correct statement from the following

11th Standard English Medium Physics Subject 11th Standard English Medium Physics Subject Waves Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
What is musical scale?
2)
Define reverberation time?
3)
An observer moves towards a stationary source of sound with a velocity one-fifth of the velocity of sound. What is the percentage increase in the apparent frequency?
4)
Tube A. has both ends open, while B has on end closed otherwise the two tubes are identical. What is the ratio of fundamental frequency of the tubes A and B?
5)
A train moves towards a stationary observer with speed 34 m/s. The train' sounds a whistle and its frequency registered by the observer is f_1. the train's speed is reduced to 17 m/s, the frequency registered is f₂. If the speed of sound is 340 m/s, then find the ratio f_1/f_2.

11th Standard English Medium Physics Subject Laws of Motion Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)

An object of mass m held against a vertical wall by applying horizontal force F as shown in the figure.The minimum value of the force F is
2)
A book is at rest on the table which exerts a normal force on the book. If this force is considered as reaction force, what is the action force according to Newton's third law?
3)
Choose appropriate free body diagram for the particle experiencing net acceleration along negative y direction. (Each arrow mark represents the force acting on the system).
4)
Two blocks of masses m and 2m are placed on a smooth horizontal surface as shown. In the first case only a force F₁ is applied from the left. Later only a force F₂ is applied from the right. If the force acting at the interface of the two blocks in the two cases is same, then F₁ :F₂ is
5)
An object of mass m begins to move on the plane inclined at an angle θ. The coefficient of static friction of inclined surface is μ_s. The maximum static friction experienced by the mass is

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 2 Mark Questions with Solution Part - I updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Name three practical units to measure Area.
2)
What is the importance of physical quantity? What are its types
3)
Define unit of a physical quantity?
4)
What are the things needed to express the measurement of a physical quantity?
5)
Name the prefixes for powers of ten with its symbol.

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The work done by the conservative force for a closed path is
2)
If the potential energy of the particle is \(\alpha -\frac { \beta }{ 2 } { x }^{ 2 }\), then force experienced by the particle is
3)
A particle is placed at the origin and a force F = kx is acting on it (where k is a positive constant). If U (0) = 0, the graph of U(x) versus x will be (where U, is the potential , energy function)
4)
A spring of force constant k is cut into two pieces such that one piece is double the length of the other. Then, the long piece will have a force constant of
5)
Two equal masses m₁ and m₂ moving along the same straight line with velocities +3 m/s and -5 m/s respectively collide elastically. Their velocities after the collision will be respectively _______________.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 2 Mark Questions with Solution Part - II updated Creative Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Determine the number of light years in one metre.
2)
5.74 g of a substance occupies 1.2 cm³. Express its density to correct significant figures.
3)
If displacement of a body s = (200 ± 5) m and time taken by it t = (20 + 0.2) s, then find the percentage error in the calculation of velocity.
4)
If the error in measurement of mass of a body be 3% and in the measurement of velocity be 2%. What will be maximum possible error in calculation of kinetic energy.
5)
A physical quantity P is related to four observables a, b, c and d as follows:
P = \(\frac { { a }^{ 3 }b^{ 2 } }{ d\sqrt { c } } \)
The percentage errors of measurement in a, b, c and d are 1%, 3%, 4% and 2% respectively. What is the percentage error in the quantity P?

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A ball of mass 1 kg and another of mass 2 kg are dropped from a tall building whose height is 80 m. After, a fall of 40 m each towards Earth, their respective kinetic energies will be in the ratio of
2)
A body of mass 4 m is lying in xy-plane at rest. It suddenly explodes into three pieces. Two pieces each of mass m move perpendicular to each other with equal speed v. The total kinetic energy generated due to explosion is
3)
What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that it can complete the loop?
4)
If the linear momentum of the object is increased by 0.1% then the kinetic energy is Increased by
5)
A wind-powered generator converts wind energy into electric energy. Assume that the generator converts a fixed fraction of the wind energy intercepted by its blades into electrical energy. For wind speed v, the electrical power output will be proportional to

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A rigid body rotates with an angular momentum L. If its kinetic energy is halved, the angular momentum becomes,
2)
A disc of the moment of inertia I_a is rotating in a horizontal plane about its symmetry axis with a constant angular speed \(\omega\). Another disc initially at rest of moment of inertia I_b is dropped coaxially on to the rotating disc. Then, both the discs rotate with the same constant angular speed. The loss of kinetic energy due to friction in this process is,
3)
The ratio of the acceleration for a solid sphere (mass m and radius R) rolling down an incline of angle \(\theta\) without slipping and slipping down the incline without rolling is,
4)
The speed of the center of a wheel rolling on a horizontal surface is v_o. A point on the rim in level with the center will be moving at a speed of,
5)
When a mass is rotating in a plane about a fixed point, its angular momentum is directed along

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The center of mass of a system of particles does not depend upon,
2)
A particle is moving with a constant velocity along a line parallel to positive X-axis. The magnitude of its angular momentum with respect to the origin is
3)
A closed cylindrical container is partially filled with water. As the container rotates in a horizontal plane about a perpendicular bisector, its moment of inertia
4)
A particle undergoes uniform circular motion. The angular momentum of the particle remain conserved about,
5)
From a disc of radius R a mass M, a circular hole of diameter R, whose rim passes through the center is cut. What is the moment of inertia of the remaining part of the disc about a perpendicular axis passing through it

11th Standard English Medium Physics Subject Gravitation Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
According to Kepler’s second law, the radial vector to a planet from the Sun sweeps out equal areas in equal intervals of time. This law is a consequence of
2)
The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are K_A, K_B and K_C respectively. AC is the major axis and SB is perpendicular to AC at the position of the Sun S as shown in the figure. Then
3)
If the mass and radius of the Earth are both doubled, then the acceleration due to gravity g'
4)
If a person moves from Chennai to Trichy, his weight
5)
If the acceleration due to gravity becomes 4 times its original value, then escape speed

11th Standard English Medium Physics Subject Gravitation Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The linear momentum and position vector of the planet is perpendicular to each other at
2)
A planet moving along an elliptical orbit is closest to the Sun at distance r₁ and farthest away at a distance of r₂. If v₁ and v₂ are linear speeds at these points respectively. Then the ratio \({v_1\over v_2}\) is
3)
If the distance between the Earth and Sun were to be doubled from its present value, the number of days in a year would be
4)
The gravitational potential energy of the Moon with respect to Earth is
5)
The work done by the Sun’s gravitational force on the Earth is

11th Standard English Medium Physics Subject Properties of Matter Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
With an increase in temperature, the viscosity of liquid and gas, respectively will
2)
Which of the following is not a scalar?
3)
Copper of fixed volume V is drawn into a wire of length l. When this wire is subjected to a constant force F, the extension produced in the wire is Δl. If Y represents the Young’s modulus, then which of the following graphs is a straight line?
4)
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied?
5)
In a horizontal pipe of non-uniform cross section, water flows with a velocity of 1 ms^-1 at a point where the diameter of the pipe is 20 cm. The velocity of water (1.5 m s^-1) at a point where the diameter of the pipe is (in cm)

11th Standard English Medium Physics Subject Properties of Matter Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Consider two wires X and Y. The radius of wire X is 3 times the radius of Y. If they are stretched by the same load then the stress on Y is
2)
The load – elongation graph of three wires of the same material are shown in figure. Which of the following wire is the thickest?
3)
A small sphere of radius 2cm falls from rest in a viscous liquid. Heat is produced due to viscous force. The rate of production of heat when the sphere attains its terminal velocity is proportional to
4)
With an increase in temperature, the viscosity of liquid and gas, respectively will
5)
Which of the following is not a scalar?

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
When you exercise in the morning, by considering your body as thermodynamic system, which of the following is true?
2)
An ideal gas is taken from (P_i, V_i) to (P_f, V_f) in three different ways. Identify the process in which the work done on the gas the most.
3)
A distant star emits radiation with maximum intensity at 350 nm. The temperature of the star is
4)
In an isochoric process, we have
5)
An ideal refrigerator has a freezer at temperature −12°C. The coefficient of performance of the engine is 5. The temperature of the air (to which the heat ejected) is

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The graph between volume and temperature in Charles’ law is
2)
An ideal gas passes from one equilibrium state (P₁, V₁, T₁, N) to another equilibrium state (2P₁, 3V₁, T₂, N). Then
3)
When food is cooked in a vessel by keeping the lid closed, after some time the steam pushes the lid outward. By considering the steam as a thermodynamic system, then in the cooking process
4)
A hot cup of coffee is kept on the table. After some time it attains a thermal equilibrium with the surroundings. By considering the air molecules in the room as a thermodynamic system, which of the following is true
5)
The V-T diagram of an ideal gas which goes through a reversible cycle A→B→C→D is shown below. (Processes D→A and B→C are adiabatic)

The corresponding PV diagram for the process is (all figures are schematic)

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
If the internal energy of an ideal gas U and volume V are doubled then the pressure
2)
A container has one mole of monoatomic ideal gas. Each molecule has f degrees of freedom. What is the ratio of \(\gamma =\frac { { C }_{ p } }{ { C }_{ V } } \)
3)
Which of the following shows the correct relationship between the pressure and density of an ideal gas at constant temperature?
4)
If s_P and s_V denote the specific heats of nitrogen gas per unit mass at constant pressure and constant volume respectively, then
5)
For a given gas molecule at a fixed temperature, the area under the Maxwell-Boltzmann distribution curve is equal to

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A sample of ideal gas is at equilibrium. Which of the following quantity is zero?
2)
Two identically sized rooms A and B are connected by an open door. If the room A is air conditioned such that its temperature is 4°C lesser than room B, which room has more air in it?
3)
The average translational kinetic energy of gas molecules depends on
4)
If the internal energy of an ideal gas U and volume V are doubled then the pressure
5)
A container has one mole of monoatomic ideal gas. Each molecule has f degrees of freedom. What is the ratio of \(\gamma =\frac { { C }_{ p } }{ { C }_{ V } } \)

11th Standard English Medium Physics Subject Oscillations Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A spring is connected to a mass m suspended from it and its time period for vertical oscillation is T. The spring is now cut into two equal halves and the same mass is suspended from one of the halves. The period of vertical oscillation is
2)
An ideal spring of spring constant k, is suspended from the ceiling of a room and a block of mass M is fastened to its lower end. If the block is released when the spring is un-stretched, then the maximum extension in the spring is
3)
A hollow sphere is filled with water. It is hung by a long thread. As the water flows out of a hole at the bottom, the period of oscillation will
4)
When a damped harmonic oscillator completes 100 oscillations, its amplitude is reduced to \(\frac{1}{3}\) of its initial value. What will be its amplitude when it completes 200 oscillations?
5)
A mass of 3 kg is attached at the end of a spring moves with simple harmonic motion on a horizontal frictionless table with time period 2π and with amplitude of 2m, then the maximum fore exerted on the spring is

11th Standard English Medium Physics Subject Oscillations Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
In a simple harmonic oscillation, the acceleration against displacement for one complete oscillation will be
2)
The length of a second’s pendulum on the surface of the Earth is 0.9 m. The length of the same pendulum on surface of planet X such that the acceleration of the planet X is n times greater than the Earth is
3)
Two bodies A and B whose masses are in the ratio 1:2 are suspended from two separate massless springs of force constants k_A and k_B respectively. If the two bodies oscillate vertically such that their maximum velocities are in the ratio 1:2, the ratio of the amplitude A to that of B is
4)
An ideal spring of spring constant k, is suspended from the ceiling of a room and a block of mass M is fastened to its lower end. If the block is released when the spring is un-stretched, then the maximum extension in the spring is
5)
A hollow sphere is filled with water. It is hung by a long thread. As the water flows out of a hole at the bottom, the period of oscillation will

11th Standard English Medium Physics Subject Waves Book Back 1 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
For a particular tube, among six harmonic frequencies below 1000 Hz, only four harmonic frequencies are given: 300 Hz, 600 Hz, 750 Hz and 900 Hz. What are the two other frequencies missing from this list?
2)
A person standing between two parallel hills fires a gun and hears the first echo after t₁ sec and the second echo after t₂ sec. The distance between the two hills is
3)
The displacement y of a wave travelling in the x direction is given by y = (2\(\times\)10 ^-3) sin (300t - 2x + \(\frac{\pi}{4}\)), where x and y are measured in metres and t in second. The speed of the wave is
4)
Which of the following represents a wave
5)
Let y = \(\frac{1}{1+x^2}\) at t = 0 s be the amplitude of the wave propagating in the positive x-direction. At t = 2 s, the amplitude of the wave propagating becomes \(y=\frac{1}{1+(x-2)^{2}}. \) Assume that the shape of the wave does not change during propagation. The velocity of the wave is

11th Standard English Medium Physics Subject Waves Book Back 1 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
For a particular tube, among six harmonic frequencies below 1000 Hz, only four harmonic frequencies are given: 300 Hz, 600 Hz, 750 Hz and 900 Hz. What are the two other frequencies missing from this list?
2)
Compare the velocities of the wave forms given below, and choose the correct option.

where, v_A, v_B, v_C and v_D are velocities given in (A), (B), (C) and (D), respectively.
3)
A person standing between two parallel hills fires a gun and hears the first echo after t₁ sec and the second echo after t₂ sec. The distance between the two hills is
4)
The displacement y of a wave travelling in the x direction is given by y = (2\(\times\)10 ^-3) sin (300t - 2x + \(\frac{\pi}{4}\)), where x and y are measured in metres and t in second. The speed of the wave is
5)
Which of the following represents a wave

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
The radius of the circle is 3.12 m. Calculate the area of the circle with regard to significant figures.
2)
The measurement value of length of a simple pendulum is 20cm known with 2mm accuracy. The time for 50 oscillations was measured to be 40 s within is resolution. Calculate the percentage accuracy in the determination of acceleration due to gravity 'g' from the above measurement.
3)
Show that a screw gauge of pitch 1mm and 100 divisions is more precise than a vernier caliper with 20 divisions on the sliding scale.
4)
Having all units in atomic standards is more useful. Explain.
5)
From a point on the ground, the top of a tree is seen to have an angle of elevation 60^o . The distance between the tree and a point is 50m. calculate the height of the tree?

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
State the number of significant figures in the following 0.007
2)
State the number of significant figures in the following 2.65 \(\times\)10²⁴m
3)
Round off the following numbers as indicated 18.35 up to 3 digits
4)
Round off the following numbers as indicated 101.55 \(\times\) 10⁶ up to 4 digits
5)
Round off the following numbers as indicated 12.653 up to 3 digits.

11th Standard English Medium Physics Subject Kinematics Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Define a vector. Give examples.
2)
Write a short note on the scalar product between two vectors.
3)
The position vectors particle has length 1m and makes 30° with the x-axis. What are the lengths of the x and y components of the position vector?
4)
Calculate the average velocity of the particle whose position vector changes from \(\overrightarrow { { r }_{ 1 } } =5\hat { i } +6\hat { j } \) to \(\overrightarrow { { r }_{ 2 } } =2\hat { i } +3\hat { j } \) in a time 5 second.
5)
What are the resultants of the vector product of two given vectors given by \(\overrightarrow { A } =4\hat { i } -2\hat { j } +\hat { k } \ and \ \overrightarrow { B } =5\hat { i } +3\hat { j } -4\hat { k } \)

11th Standard English Medium Physics Subject Kinematics Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Determine the value of the T from the given vector equation \(5\hat j-T\hat j=6\hat j+3T\hat j\)
2)
Find the derivative with respect to t, of the function x = A_o + A₁t + A₂t² where A₀, A₁and A₂ are constants.
3)
An object is thrown vertically downward. What is the acceleration experienced by the object?
4)
A train 100 m long is moving with a speed of 60 km h^-1. In how many seconds will it cross a bridge of 1 km long?
5)
Is it possible to measure the depth of a well using kinematic equations?

11th Standard English Medium Physics Subject Laws of Motion Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Can a single isolated force exist in nature? Explain your answer
2)
When walking on ice one should take short steps. Why?
3)
Can the coefficient of friction be more than one?
4)
The momentum of a system of particles is always conserved. True or false?
5)
A spider of mass 50 g is hanging on a string of a cob web. What is the tension in the string?

11th Standard English Medium Physics Subject Laws of Motion Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
If two objects of masses 2.5 kg and 100 kg experience the same force 5 N, what is the acceleration experienced by each of them?
2)
The velocity of a particle moving in a plane is given by the following diagram. Find out the direction of force acting on the particle?
3)
The position of the particle is represented by y = ut - \(\frac { 1 }{ 2 } \) gt²
(a) What is the force acting on the particle?
(b) What is the momentum of the particle?
4)
A wooden box is lying on an inclined plane. What is the coefficient of friction if the box starts sliding when the angle of inclination is 45°.
5)
The coefficient of friction between a block and plane is \(\frac { 1 }{ \sqrt { 3 } } \). If the inclination of the plane gradually increases, at what angle will the object begin to slide?

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write the various types of potential energy. Explain the formulae.
2)
Explain the characteristics of elastic and inelastic collision.
3)
Calculate the work done by a force of 30 N in lifting a load of 2kg to a height of 10m (g = 10ms^-2).
4)
A bullet of mass 20 g strikes a pendulum of mass 5 kg. The centre of mass of pendulum rises a vertical distance of 10 cm. If the bullet gets embedded into the pendulum, calculate its initial speed?
5)
Which is conserved in inelastic collision? Total energy (or) Kinetic energy?

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Write the differences between conservative and Non-conservative forces. Give two examples each.
2)
A bullet of mass 20 g strikes a pendulum of mass 5 kg. The centre of mass of pendulum rises a vertical distance of 10 cm. If the bullet gets embedded into the pendulum, calculate its initial speed?
3)
A charged particle moves towards another charged particle. Under what conditions the total momentum and the total energy of the system conserved?
4)
A variable force F = kx² acts on a particle which is initially at rest. Calculate the work done by the force during the displacement of the particle from x = 0 m to x = 4 m. (Assume the constant k = 1 N m^-2)
5)
A bullet of mass 50 g is fired from below into a suspended object of mass 450 g. The object rises through a height of 1.8 m with bullet remaining inside the object. Find the speed of the bullet. Take g = 10 ms^-2.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Why does a porter bend forward while carrying a sack of rice on his back?
2)
Two identical water bottles one empty and the other filled with water are allowed to roll down an inclined plane. Which one of them reaches the bottom first? Explain your answer.
3)
A rectangle block rests on a horizontal table. A horizontal force is applied on the block at a height h above the table to move the block. Does the line of action of the normal force N exerted by the table on the block depend on h?
4)
Three identical solid spheres move down through three inclined planes A, B and C all same dimensions. A is without friction, B is undergoing pure rolling and C is rolling with slipping. Compare the kinetic energies E_AE_B and E_cat the bottom.
5)
An electron of mass 9\(\times\)10^-31 kg revolves around a nucleus in a circular orbit of radius 0.53 \(\overset { 0}{ A } \). What is the angular momentum of the electron? (Velocity of electron is, v = 2.2 \(\times\)10⁶ ms^-1)

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Give an example to show that the following statement is false. 'any two forces acting on a body can be combined into single force that would have same effect'.
2)
Write the relation between angular momentum and rotational kinetic energy. Draw a graph for the same. For two objects of same angular momentum, compare the moment of inertia using the graph.
3)
A force of \((4\hat{i}-3\hat{j}+5\hat{k})\) N is applied at a point whose position vector is \((7\hat{i}+4\hat{j}-2\hat{k})\) m. Find the torque of force about the origin.
4)
A solid sphere of mass 20 kg and radius 0.25 m rotates about an axis passing through the center. What is the angular momentum if the angular velocity is 5 rad s^-1.
5)
Can a body in translatory motion have angular momentum? Explain.

11th Standard English Medium Physics Subject Gravitation Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
Is potential energy the property of a single object? Justify.
2)
What is the difference between gravitational potential and gravitational potential energy?
3)
Why is the energy of a satellite (or any other planet) negative?
4)
Define weight.
5)
How will you prove that Earth itself is spinning?

11th Standard English Medium Physics Subject Gravitation Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
State Newton’s Universal law of gravitation.
2)
Define the gravitational field. Give its unit.
3)
Define gravitational potential energy.
4)
Define gravitational potential.
5)
What is meant by escape speed in the case of the Earth?

11th Standard English Medium Physics Subject Properties of Matter Book Back 2 Mark Questions with Solution Part - I updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A cylinder of length 1.5 m and diameter 4 cm is fixed at one end. A tangential force of 4\(\times\)10⁵ N is applied at the other end. If the rigidity modulus of the cylinder is 6\(\times\)10¹⁰ N m^-2 then, calculate the twist produced in the cylinder.
2)
A block of Ag of mass x kg hanging from a string is immersed in a liquid of relative density 0.72. If the relative density of Ag is 10 and tension in the string is 37.12 N then compute the mass of Ag block.
3)
Why coffee runs up into a sugar lump (a small cube of sugar) when one corner of the sugar lump is held in the liquid?
4)
We can cut vegetables easily with a sharp knife as compared to a blunt knife. Why?
5)
We use straw to suck soft drinks, why?

11th Standard English Medium Physics Subject Properties of Matter Book Back 2 Mark Questions with Solution Part - II updated Book back Questions - by Question Bank Software - May 13, 2022 - View & Read

1)
A metallic cube of side 100 cm is subjected to a uniform force acting normal to the whole surface of the cube. The pressure is 10⁶ pascal. If the volume changes by 1.5\(\times\)10^-5 m³, calculate the bulk modulus of the material.
2)
A wire of length 2 m with the area of crosssection 10^-6m² is used to suspend a load of 980 N. Calculate
i) the stress developed in the wire
ii) the strain and
iii) the energy stored. Given: Y = 12 \(\times\) 10¹⁰N m⁻².
3)
State Hooke’s law of elasticity.
4)
Explain elasticity using intermolecular forces.
5)
A spring balance shows wrong readings after using for a long time. Why?

11th Standard English Medium Physics Subject Creative 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
The frequency of vibration of a string depends of on,
(i) tension in the string
(ii) mass per unit length of string
(iii) vibrating length of the string
Establish dimensionally the relation for frequency.
2)
A car moving uniform motion with speed 120 kmh^-2 is brought to a stop within a distance of 200 m. How long does it take for the car to stop?
3)
Briefly explain how is a horse able to pull a cart.
4)
Derive an expression for the potential energy of an elastic stretched spring.
5)
Discuss how the rolling is the combination of translational and rotational and also be possibilities of velocity of different points in pure rolling.

11th Standard English Medium Physics Subject Creative 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Mention important properties of the scalar product of two vectors.
2)
Find
(i) acceleration
(ii) speed of the sliding object using free body diagram.
3)
State and prove the law of conservation of energy.
4)
Define Torque and derive its expression.

11th Standard English Medium Physics Subject Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is the relation of physics to biology?
2)
Write an expression for an acceleration rectangular components.
3)
An artificial satellite of mass 3000 kg is orbiting around the earth with speed of 4500 ms^-1at a distance of 10000 km from the earth. Calculate the centripetal force acting on it.
4)
A block of mass 5 kg is placed on the floor, the coefficient of static friction is 0.6. A force of 3.8 N is applied on the block. Find the force on friction between the block and the floor.
5)
A force of 36 dynes is inclined to the horizontal at an angle of 60°. Find the acceleration in a mass of 18 g that moves in a horizontal direction.

11th Standard English Medium Physics Subject Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What are fundamental units and derived units?
2)
What is meant by Collinear vector? Explain them.
3)
What is Centripetal force? Write the expression for it?
4)
What is mechanical energy? What are its two types?
5)
What is rolling motion?

11th Standard English Medium Physics Subject Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is the formula representation of Mean Absolute error?
2)
Can the relative velocity of two bodies be greater than the absolute velocity of either body?
3)
"Jumping on a cemented floor receives more injuries than on the sand" - Given reason.
4)
A man run a distance on the level road. The same man ascends up a hill with the same velocity through the same distance. When does he do more work?
5)
Which component of linear momentum does not contribute to angular momentum?

11th Standard English Medium Physics Subject Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is Physics?
2)
Give some examples of physical quantities which can be expressed as the vector product of two vectors.
3)
What are the factors are determined by these forces?
4)
State law of conservation of energy
5)
State the rule which is used to find the direction of torque.

11th Standard English Medium Physics Subject Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
The fractional error \(\left( {{\triangle x}\over{x}} \right)\) _____________.
2)
What is the resultant vectors, when 2 vectors are at right angles to each other?
3)
A car starting from rest, accelerates at a constant rate x from sometimes after which it decelerates at a constant rate y to come to rest. If the total time elapsed is t, the maximum velocity attained by the car is given by ______________.
4)
A body of mass 3 kg moves with an acceleration 2ms^-2. The change in momentum in one second is _______________.
5)
If the tension in the cable of 1000 kg elevator is 1000 kg weight, then the elevator _____________.

11th Standard English Medium Physics Subject Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Astromical Scale is dealt with the _________ Physics
2)
Choose the motion in two dimension from the following.
3)

Two blocks A & B of masses 2m & m are connected by a massless and inextensible strong. The magnitudes of acceleration of A & B immediately after the string is cut are ____________.
4)
A cricket ball falls from a height of 40 m. What is the velocity with which the ball hits the ground?
5)
Four identical spheres each of mass m are placed at the corners of square of side 2 m. Taking the point of intersection of the diagonals as the origin the coordinates of the centre of mass are?

11th Standard English Medium Physics Subject Waves Creative 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Write the applications of reflection of sound waves.
2)
Audible frequencies have a range of 20 Hz to 20 x 10³ Hz. Express 't' is range in terms of
(i) period T
(ii) wavelength air at
(iii) angular frequency w (Given velocity of sound in O°C = 331 m/s)
3)
A fruit dropped from the top of a tree of height 200 m high splashes into the water of a pond near the base of the tree. When is the splash heard at the top given that the speed of sound in air is 340 ms^-1.
4)
For the travelling : harmonic wave y(x, t) = 2.0 cos 2π [St - 0.0060x + 0.27], where x and yare in cm and t in s.
Calculate the phase difference between oscillatory motion of two points separated by a distance of,
(a) 300 cm
(b) 0.75 m (c)\(\lambda\over 4\)
5)
A transverse harmonic wave on a string is described by y(x, t) = 5.0 sin (48t + 0.0264x + ), where x and y are in cm and t in sec. The positive direction of x is from left to right.
(a) What are its amplitude and frequency?
(b) What is the least distance between two success in crests in the wave?

11th Standard English Medium Physics Subject Waves Creative 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Write the expression for the velocity of longitudinal waves in an elastic medium.
2)
Discuss the effect of density, humidity and wind.
3)
Write the applications of reflection of sound waves.
4)
Write Characteristics of progressive waves.
5)
Explain the Graphical representation of the wave.

11th Standard English Medium Physics Subject Oscillations Creative 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Explain briefly about oscillations.
2)
One end of a U-tube containing mercury is connected to a suction pump and the other end to atmosphere. A small pressure difference is maintained between the two columns. Show that, when the suction pump is removed, the liquid column of mercury in the U-tube executes simple harmonic motion.
3)
Consider a simple pendulum having a bob attached to a string, that oscillates under the action of the force of gravity. Suppose that the period of oscillation of the simple. Pendulum depends on its length (I), mass of the bob, (m) and acceleration due to gravity (g). Derive the expression for its time period using method of dimension.
4)
Two simple harmonic moles are represented by Y₁=0.1 sin (100 \(\pi\)t + \(\pi\)/3) and Y₂=0.1 cos what is the phase difference of the velocity of the particle 1 with respect to the velocity of particle?
5)
A simple pendulum has time period T, the point of suspension is now moved upward acceleration to the relation Y= kt² (k = 1 ms^-2) where Y is the verticle displacement the time period now becomes T₂. What is the ratio \(\frac { { T }_{ 1 }^{ 2 } }{ { T }_{ 2 }^{ 2 } } \)? Given g=10 ms^-2.

11th Standard English Medium Physics Subject Oscillations Creative 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Write a short note on Simple Harmonic Motion.
2)
Show that the projection of uniform circular motion on a diameter is SHM.
3)
Explain Displacement, velocity in SHM, and derive special cases.
4)
Explain acceleration is S.H.M, and discuss its special cases.
5)
Explain briefly about the graphical representation of Displacement, velocity and acceleration in SHM.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Explain postulates of the kinetic theory of gases.
2)
One mole of a monoatomic gas is mixed with three moles of a diatomic gas. What is the molecules specific heat of the mixture at constant volume? [8.311 moI^-1K^-1]
3)
0.014 kg of nitrogen is enclosed in a vessel at a temperature of 27°C. How much heat has to be transferred to double the rms speed of its molecules.
4)
Speed of an atom in an argon gas cylinder equal to the rms speed of a helium gas atom at -20°C? [Atomic mass of Ar =39.90, He =4.04]
5)
Motor volume is occupied 1 moleof any (ideal) gas at standard temperature and pressure. Show that it is 22.4 litres.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Derive Meyer's relation.
2)
State Newton's law of cooling verify with an experiment.
3)
Explain postulates of the kinetic theory of gases.
4)
From a certain apparatus, the diffusion rate of hydrogen has an average value of 28.7 cm³/s, The diffusion of another gas under the same condition is measured to have an average rate of 7.2 cm³/s. Identify the gas.
5)
An air bubble of volume 1.0 cm² rises from the bottom of a lake 40 m deep at a temperature of 12°C. To what volume does it grow when it reaches the surface which is at a temperature of 35°C?

11th Standard English Medium Physics Subject Properties of Matter Creative 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
If a ball of skeel (density p =7.8 g cm^-3) attains a terminal velocity of 10 cm S^-1 when falling in a tank of water (coefficient of viscosity) water = 8.5\(\times\)10^-4pa s. What will the terminal velocity in glycerine (P = 1.2 g cm^-3, η = 13.2 ρa.s) be?
2)
An deal gas is expanded such that ρT² = a constant find the coefficient of volume expansion of the gas.
3)
Two rods of equal length and diameter have thermal conductivities 3 & 4 units. If they joined in series. Find the thermal conductivity of the combination.
4)
The terminal velocity of a tiny droplet is V. N number of such identical droplets combine together forming a bigger drop v Find the terminal velocity of the bigger drop?
5)
Two spherical soap bubble coalesce. If V be the change in volume of the contained air, A is the change in total surface area then show that 3PV + 4AT = 0 Where T is the surface tension and P is atmospheric pressure.

11th Standard English Medium Physics Subject Properties of Matter Creative 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Write the Applications of elasticity.
2)
Write the applications of surface tension?
3)
Write any two applications of Bernoulli's Theorem.
4)
Define
(i) Specific heat capacity
(ii) Heat capacity
(iii) Molar specific heat capacity at constant pressure and at constant volume and write their units.
5)
What is latent heat? Give its units. With the help of a suitable graph, explain the terms latent heat of fusion and latent heat of vaporisation.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Write an expression for the KE of a body rolling without slipping with centre of mass as reference.
2)
Write an expression for the KE of a body rolling without slipping with point of contact as reference.
3)
Derive an expression for center of mass for distributed point masses.
4)
Derive an expression for kinetic energy in rotation and establish the relation between rotational kinetic energy and angular momentum.
5)
Discuss how the rolling is the combination of translational and rotational and also be possibilities of velocity of different points in pure rolling.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
State in the absence of any external force the velocity of the centre of mass remains constant.
2)
Define Torque and derive its expression.
3)
Define angular momentum and derive the expression of it.
4)
Obtain the relation between Torque and angular acceleration.
5)
Discuss the pure rolling and find the condition for rolling without slipping and sliding.

11th Standard English Medium Physics Subject Work, Energy and Power Creative 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is meant by positive work, negative work and zero work? Give one example of each.
2)
Discuss the results of work - Energy theorem.
3)
Derive the relation between momentum and kinetic energy.
4)
Derive an expression for the gravitational potential energy of a body of mass 'm' raised to a height 'h' above the earth's surface.
5)
Derive an expression for the potential energy of an elastic stretched spring.

11th Standard English Medium Physics Subject Work, Energy and Power Creative 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Deduce the relation between momentum and kinetic energy.
2)
Derive an expression for the potential energy of a body near the surface of the Earth.
3)
What is meant by elastic potential energy? Drive an expression for the elastic potential energy of the spring.
4)
State and prove the law of conservation of energy.
5)
Derive an expression for the velocity of the body moving in a vertical circle. And also find a tension at the bottom and the top of the circle.

11th Standard English Medium Physics Subject Laws of Motion Creative 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Prove Impulse - Momentum equation.
2)
Show how impulse force can be measured graphically.
3)
What happens to the object at rest if
(i) f_s = 0
(ii) fs = Fext
(iii) fs = max.
4)
Using Newton's laws calculate the tension acting on the mango (mass m = 400g) hanging from a tree.
5)
Briefly explain how is a horse able to pull a cart.

11th Standard English Medium Physics Subject Laws of Motion Creative 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Find
(i) acceleration
(ii) speed of the sliding object using free body diagram.
2)
Write the Salient features of Static and Kinetic friction
3)
What is Static Friction? Explain
4)
Find the impulse of a constant force and variable force with diagrams.
5)
Give some examples for centripetal force.

11th Standard English Medium Physics Subject Kinematics Creative 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Find the angle between two vectors \(A=\hat { i } +2\hat { j } -u\ and\ B=-4\hat { i } +\hat { j } -2u\)
2)
Two bodies of mass 30 and 6g have position vectors \(2\hat { i } +\hat { j } +3u\ and\ \hat { j } +3\hat { j } +2u\) respectively. Find the position vectors of centre of mass.
3)
Express cross and dot product of two vectors in Cartesian coordinate.
4)
Find the magnitude and directions of the vectors, \(\hat { i } +\hat { j } \ and\ \hat { i } -\hat { j } \)
5)
Find the vector sum of three vectors \(\overrightarrow { A } ,\overrightarrow { B } \ and \ \overrightarrow { C } \) , using analytical method.

11th Standard English Medium Physics Subject Kinematics Creative 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Define the term motion and explain the different types of motion.
2)
Explain triangular law of addition method.
3)
Explain the subtraction of vectors.
4)
Mention important properties of the scalar product of two vectors.
5)
Find horizantal range and Time of flight projectile in horizontal projection.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
The value Gin CGS system is 6.67\(\times\)10^-8 dyne cm² g^-2. Calculate the value in SI units.
2)
Check the dimensional consistency of the following equations.
(i) de-Broglie wavelength, \(\lambda ={h\over mv}\)
(ii) Escape velocity, v = \({\sqrt{2GM\over R}}\)
3)
A planet moves around the sun in nearly circular orbit. Its period of revolution 'T' depends upon.
(i) radius 'r' of orbit
(ii) mass 'm' of the sun and
(iii) The gravitational constant G Show dimensionally that T² \(\propto\)r³.
4)
One mole of an ideal gas at STP occupies 22.4 L. What is the ratio of molar volume to atomic volume of a mole of hydrogen? Why is the ratio so large? Take radius of hydrogen molecule to be 1^oA.
5)
The frequency of vibration of a string depends of on,
(i) tension in the string
(ii) mass per unit length of string
(iii) vibrating length of the string
Establish dimensionally the relation for frequency.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Explain propagation of errors in the difference of two quantities and also in the division of two quantities.
2)
Write to causes of errors in measurement.
3)
How will you determine the distance of moon from earth using parallax method?
4)
Briefly explain the different types of errors and their causes with an example. How can these error be minimised?

11th Standard English Medium Physics Subject Waves Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Write the application of reflection of sound though the be curved surface.
2)
Write a not about Stethoscope.
3)
How are sound waves-classified?
4)
Derive the Equation of a plane progressive wave.
5)
Derive the relation between Intensity and loudness

11th Standard English Medium Physics Subject Waves Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Write about the formation of waves in a tuning fork.
2)
Write the characteristics of wave motion.
3)
Distinguish between transverse and longitudinal waves.
4)
Define angular frequency, wave number and wave vector.
5)
What is the relation between the velocity and temperature?

11th Standard English Medium Physics Subject Oscillations Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
How can earthquakes cause disaster sometimes?
2)
Sometimes a wire glass is broken by the powerful voice of a celebrated singer why?
3)
Glass windows may be broken by a far away explosion. Explain why?
4)
The body of a bus begins to rattle sometimes, when the bus picks up a certain speed, why?
5)
What will be the change in time period of a loaded spring, when taken to moon?

11th Standard English Medium Physics Subject Oscillations Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
The bob of vibrating simple pendulum is made of ice. How will the period of swing will change when the ice starts melting?
2)
Discuss strings stretched between fixed points.
3)
At what displacement
(i) the p. E of a simple harmonic oscillator is maximum
(ii) the k. E is maximum?
4)
Can a motion be oscillatory, but not simple hormonic. If your answer is yes, give an explanation and if not explain why?
5)
Every simple harmonic motion is periodic motion but every periodic motion need not be simple harmonic motion. Do you agree? Give example.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is an ideal gas? Why do the real gases show deviations from ideal behaviour?
2)
Explain how does a gas exert pressure on the bases of kinetic theory of gases.
3)
Give the kinetic interpretation of temperature.
4)
In the upper part of the atmosphere the kinectic temperature of air is of the order of 1000 K, even then one feels severe cold there. Why?
5)
On which factors does the mean free path depend?

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Derive an expansions for the work done in one cycle during adiabetre expansion.
2)
State and explain Boyle's law.
3)
State and explain Charle's law.
4)
State and derive the perfect or ideal gas equation?
5)
Define and derive Boltzmann constant.

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
State the factors on which the conduction of heat through a substance depends.
2)
Write any 3 phenomena which are based on thermal convection.
3)
Describe the two ways of changing the internal energy of a system.
4)
Describe an analytical method for determining the work done during the expansion of gas.
5)
Explain first law of thermodynamics.

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
How does the internal energy of a thermodynamic system change?
2)
Define cyclic processes
3)
Write the conditions for reversible process.
4)
What is meant by triple point? Give the values of triple point pressure & triple point temperature of water.
5)
A metal tube & a rod of same distance, same material & same outer diameter are given same amount of heat. Which will show less expansion & why?

11th Standard English Medium Physics Subject Properties of Matter Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Stress - Strain curve for two wires of material A and B are as shown in figure.

(a) Which material in more ductile?
(b) Which material has greater value of young's modulus?
(c) Which of the two is stronger material?
(d) Which material is more brittle?
2)
A body floats in water with 40% of its volume outside water. When the same body floats in oil 60% of its volume, remains outside oil. What is the relative density of the oil?
3)
A light rod of length 2m is suspended horizontally by means of 2 vertical wires of equal lengths tied to its ends. One of the wires is made of steel & is of cross section A₁ = 0.1 cm² & other of brass & is of cross section A₂ = 0.2 cm², find out the position along the rod at which a weight must be suspended to produce
(i) equal stresses in both wires
(ii) equai strains in both wires for steel, y = 20\(\times\)10¹⁰ Nm^-2 & for brass y =10\(\times\)10¹⁰ Nm^-2.
4)
Athin rod of negligible mass and area of cross sectional 4\(\times\)10^-6m2, suspended vertically from one end has a length of 0.5 at 100°C the rod is cooled at 0⁰C, but prevented from contracting by attaching a mass at lower end. Find
(i) mass
(ii) the energy stored in rod. Given for rod, y =1011 Nm^-2, coefficient of linear expansion = 10^-5 k^-1 & g = 10 ms^-2.

11th Standard English Medium Physics Subject Properties of Matter Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
How do you differentiate solid liquid & gas?
2)
Write any three applications of viscosity.
3)
Which is more elastic steel or rubber? Explain.
4)
A capillary tube is dipped first in cold water and then in hot water. Comment on the capillary rise in the second case.
5)
The upper end of a wire of radius 4mm & length 100cm is clamped and its other rend is twisted through an angle of 30° the angle of shear is.

11th Standard English Medium Physics Subject Gravitation Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Why the gravitational force between the Earth and the Sun is so great while the same force between two small objects is negligible?
2)
Discuss the forces which depend on the type on the type of interaction.
3)
A mass M is broken into two parts, on & (M-m). How is m related to M so that the gravitational force between two parts is maximum?
4)
Draw graphs showing the variation of acceleration due to gravity with
(i) height above the earth's surface
(ii) depth below the earth's surface.
5)
Find the period of oscillation of a simple pendulum of length \(\alpha\) suspended from the roof a vehicle which moves without friction down an inclined plane of inclination \(\alpha.\)

11th Standard English Medium Physics Subject Gravitation Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Determine gravitational potential from gravitational potential energy?
2)
Find the expression of the orbital speed of satellite revolving around the earth.
3)
Why do we have seasons on Earth?
4)
What will be the potential energy of a body of mass 67 kg at a distance of 6.6 x 1010 m from the centre of the earth? Find gravitational potential at this distance.
5)
Find the period of oscillation of a simple pendulum of length L suspended from the roof of a vehicle which moves without friction down an inclined plane of indentation \(\alpha\).

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Write an expression for Cartesian co-ordinates of the CM for uniform distribution of mass.
2)
Show that in the absence of any external force, the velocity of CM remains constant.
3)
Write an equation for velocity and acceleration of CM.
4)
State the factors on which the position of the CM of a rigid body depends.
5)
On what factors does the turning effect of a force depend?

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Write the principle used in beam balance and define Mechanical Advantage.
2)
Find the expression for radius of gyration?
3)
Derive an expression for work done by Torque?
4)
Write the comparison of translational and rotational quantities?
5)
Find the moment of inertia of a uniform rod about an axis which is perpendicular to the rod and touches anyone end of the rod.

11th Standard English Medium Physics Subject Work, Energy and Power Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is the stopping distance for a vehicle, of mass m moving with speed v along a level road, if the co-efficient of friction between the tyres and the road is \(\mu\)?
2)
A partice moves along the x-axis from x = 0 to x = 5m under the influence of a force given by F = 7 - 2x + 3x². Find the work done in the process.
3)
Calculate the velocity of the bob of a simple pendulum at its mean position if it is able to rise to a vertical height of 10 cm. Take g = 9.8 m/s².
4)
The potential energy of a spring when stretched through a distance x is 10J. What is the amount of work done on the same spring to sketch it through an additional distance 'x'?
5)
One coolie takes 1 min to raise a box through a height 2m. Another takes 30 m/s for the same job and does the same amount of work. Which one of these two has a greater power?

11th Standard English Medium Physics Subject Work, Energy and Power Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is meant by negative work? Give example.
2)
Obtain graphically and mathematically work done by a variable force.
3)
What is mechanical energy? What are its two types?
4)
What does the work-kinetic energy theorem imply?
5)
Draw force-displacement graph for a spring and an expression for the potential energy of an elastic spring.

11th Standard English Medium Physics Subject Laws of Motion Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
A man getting out of a moving bus runs in the same direction for a certain distance. Comment.
2)
If the net force acting upon the particle is zero, show that its linear momentum remains constant.
3)
A force of 36 dynes is inclined to the horizontal at an angle of 60°. Find the acceleration in a mass of 18 g that moves in a horizontal direction.
4)
The motion of a particle of mass m is described by h = ut + 1/2 gt². Find the force acting on particle.
5)
A particle of mass 0.3 kg is subjected to a force of F = -kx with k = 15 Nm^-1. What will be its initial acceleration if it is released from a point 20 cm away from the origin?

11th Standard English Medium Physics Subject Laws of Motion Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
In what ways the force changes the velocity of a particle?
2)
What is Centripetal force? Write the expression for it?
3)
Write the effects of centrifugal force
4)
A force of 10 N changes velocity of a body from 20 ms^-1 to 40 ms^-1 in 8 seconds. How much force is required to bring about the same change in 4s.
5)
A lift is moving down with an acceleration 5.0 ms^-2. Calculate the percentage change in the weight of a person in the lift

11th Standard English Medium Physics Subject Kinematics Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
A girl travels along a straight road due east for the first half distance with speed v₁ and the second half distance with speed v₂. What is the average speed of the girl?
2)
Find the distance travelled by the particle during the time t = 0 to t = 3 seconds from the figure.
3)
If the speed of a particle is v = 10t²m/s. Find out distance covered from t = 2s to t = 5s.
4)
A boy takes 2 second to reach the maximum speed of 18 km/h from rest. What is the magnitude of his average acceleration?
5)
The speed of a car as a function of time as shown figure. Find the acceleration and distance travelled by the car in 8 seconds.

11th Standard English Medium Physics Subject Kinematics Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Write an expression for displacement vector in Cartesian coordinate system and also show graphically.
2)
How is a function represented graphically and mathematically.
3)
Define average velocity and represent it graphically.
4)
Write an expression for component of Instantaneous velocity or velocity and also define it.
5)
What does the slope of 'position-time' graph represent? Which physical quantity is obtained from it?

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Write the role of physics in technology.
2)
In what way physics is in relation to chemistry.
3)
What is the relation of physics to biology?
4)
How is physics useful in geology and oceanography?
5)
How can the systematic errors be minimised?

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Give any three applications of physics in our society.
2)
Differentiate fundamental quantities from derived quantities.
3)
What are fundamental units and derived units?
4)
Name the SI unit for electric current and give a definition for it.
5)
Name the SI unit for Luminous intensity and give a definition for it.

11th Standard English Medium Physics Subject Oscillations Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is meant by displacement in SHM?
2)
Define velocity in SHM.
3)
Define acceleration in SHM.
4)
What is meant by phase in SHM?
5)
What is meant by angular oscillation?

11th Standard English Medium Physics Subject Oscillations Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is oscillatory motion? Give any two examples.
2)
What are periodic motion? Give any two examples.
3)
Define S.H.M.
4)
Why the amplitude of the vibrating pendulum should be small?
5)
When a pendulum clock gains time, what adjustments should be made?

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
When a gas is heated, its temp increases: Explain it on the basis of K.T. of gases.
2)
What are the factors which effect Brownian motion?
3)
On which factors does the average K.E. of gas molecules depend?
4)
What type of motion is associated with the molecule of a gas?
5)
What is meant by rms speed of the molecules of a gas? Is rms speed same as the average speed?

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is Degree of freedom?
2)
Define root mean square speed (v_rms). Write down its equations.
3)
Define Avogadro's number.
4)
Define Average speed. Write it equation.
5)
Define most probable speed of the gas. Write its expressions.

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Why is it hotter at the same distance over the top of a fire than in front of it?
2)
When a bottle of cold carbonated drink is opened, a slight fog is formed around the opening. Why?
3)
Why air quickly leaving out of a bottom becomes cooler?
4)
Calorimeters are made of metals not glass. Why?
5)
What is meant by 'temperature'? Give its unit

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is Latent heat of fusion?
2)
What is meant by latent heat of vaporization?
3)
What is latent heat of sublimation?
4)
What is meant by triple point of substance?
5)
What is steady state?

11th Standard English Medium Physics Subject Properties of Matter Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is the nature of intermolecular forces?
2)
What is the origin of interatomic force?
3)
What is the origin of intermolecular force?
4)
Are the intermolecular forces involved in the formation of liquid & solids different in nature? If yes how?
5)
What is a perfectly elastic body? Give example?

11th Standard English Medium Physics Subject Properties of Matter Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Why does the velocity increase when liquid flowing in a wider tube enters a narrow tube?
2)
Name the three types of thermal expansion.
3)
The poisson ratio of a material is 0.5 if a force is applied to a wire of this material, there is a decrease in the cross sectional area by 4% what is the percentage increases in the length.
4)
For a given material, the youngs modulus is 2 - 4 times that of rigidity modulus. What is its poisson's ratio?
5)
A wire of length L and cross section A is made of material of youngs modulus y. It is stretched by an amount x. What is the work done?

11th Standard English Medium Physics Subject Gravitation Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is meant by the term free fall?
2)
What is meant by acceleration due to gravity? Is is a scalar or a vector?
3)
What do you mean by weight of a body? Is it a scalar or vector?
4)
Define orbital velocity.
5)
Give some uses of geostationary satellites.

11th Standard English Medium Physics Subject Gravitation Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Why does a tennis ball bounce higher on a hall than on plains?
2)
What is the effect of rotation of the earth on the acceleration due to gravity?
3)
Explain why high & low tide are formed on seas.
4)
A satellite does not need any fuel to aide around, the earth. Why?
5)
By which law is the Kepler's law of areas identical? Is this Kepler's law kinematic?

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Is radius of gyration a constant quantity ?
2)
Two solid spheres of the same mass are made of metals of different densities. Which of them has a large moment of inertia about the diameter?
3)
The moment of inertia of two rotating bodies A and B are I_A and I_B ( C_A> I_B) and their angular momenta are equal. Which one has a greater kinetic energy?
4)
A particle moves on a circular path with decreasing speed. What happens to its angular momentum?
5)
What is the value of instantaneous speed of the point of contact during pure rolling?

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
About which axis the moment of inertia of a body is minimum?
2)
A cat is able to land on its feet after a fall. Why?
3)
Two boys of the same weight sit at the opposite ends of a diameter of a rotating circular table. What happens to the speed of rotation if they move nearer to axis of rotation?
4)
What is the power needed to maintain uniform circular motion?
5)
Why centripetal force cannot do work?

11th Standard English Medium Physics Subject Work, Energy and Power Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Discuss the possibilities of work done to be zero.
2)
Explain the potential energy-displacement graph for a spring.
3)
Define unit of power.
4)
Define average power and instantaneous power.
5)
Define elastic and inelastic collision.

11th Standard English Medium Physics Subject Work, Energy and Power Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Define Potential energy. Write the expression of it.
2)
Define gravitational potential energy.
3)
How can an object move with zero acceleration (constant velocity) when the external force is acting on the object?
4)
Why should the object be moved at constant velocity when we define potential energy?
5)
Why does a pilot not fall down, when his aeroplane loops a vertical loops?

11th Standard English Medium Physics Subject Laws of Motion Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
The wheels of vehicles are provided with mudguards. Why?
2)
China wares are wrapped in straw paper before packing. Why?
3)
Why is it difficult to walk on a sand?
4)
The outer edge of a curved road is generally raised over the inner edge. Why?
5)
Explain why the water doesn't fall even at the top of the circle when the bucket full of water is upside down rotating in a vertical circle?

11th Standard English Medium Physics Subject Laws of Motion Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What are the factors are determined by these forces?
2)
Give example of impulse.
3)
What is static friction? Explain
4)
Draw the graph for the variation of both static and kinetic frictional forces with external applied force?
5)
Define angle of friction?

11th Standard English Medium Physics Subject Kinematics Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 24, 2021 - View & Read

1)
Will two dimensional motion with an acceleration only in one dimension?
2)
A football is kicked by a player with certain angle to the horizontal. Is there any point at which velocity is perpendicular to its acceleration.
3)
Give any two examples for parallelogram law of vectors.
4)
Why does rubber ball bounce greater heights on hills than in plains?
5)
The V-t graphs of two objects make angle 30° and 60° with the time axis. Find the'ratio of their accelerations.

11th Standard English Medium Physics Subject Kinematics Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 24, 2021 - View & Read

1)
What is right handed coordinate system?
2)
Define the term modulus or magnitude of vector.
3)
Find the magnitude of vector 3\(\hat { i } -2\hat { j } +\sqrt { 3 } \hat { k } \) ?
4)
How will you find the sum (resultant) of two vectors, which are inclined to each other?
5)
State the vector product of two vectors is not commutative but anti commutative.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
Determine the number of light years in one metre.
2)
5.74 g of a substance occupies 1.2 cm³. Express its density to correct significant figures.
3)
If displacement of a body s = (200 ± 5) m and time taken by it t = (20 + 0.2) s, then find the percentage error in the calculation of velocity.
4)
If the error in measurement of mass of a body be 3% and in the measurement of velocity be 2%. What will be maximum possible error in calculation of kinetic energy.
5)
A physical quantity P is related to four observables a, b, c and d as follows:
P = \(\frac { { a }^{ 3 }b^{ 2 } }{ d\sqrt { c } } \)
The percentage errors of measurement in a, b, c and d are 1%, 3%, 4% and 2% respectively. What is the percentage error in the quantity P?

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
Name three practical units to measure Area.
2)
What is the importance of physical quantity? What are its types
3)
Define unit of a physical quantity?
4)
What are the things needed to express the measurement of a physical quantity?
5)
Name the prefixes for powers of ten with its symbol.

11th Standard English Medium Physics Subject 11th Standard English Medium Physics Subject Waves Creative 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
What is musical scale?
2)
Define reverberation time?
3)
An observer moves towards a stationary source of sound with a velocity one-fifth of the velocity of sound. What is the percentage increase in the apparent frequency?
4)
Tube A. has both ends open, while B has on end closed otherwise the two tubes are identical. What is the ratio of fundamental frequency of the tubes A and B?
5)
A train moves towards a stationary observer with speed 34 m/s. The train' sounds a whistle and its frequency registered by the observer is f_1. the train's speed is reduced to 17 m/s, the frequency registered is f₂. If the speed of sound is 340 m/s, then find the ratio f_1/f_2.

11th Standard English Medium Physics Subject 11th Standard English Medium Physics Subject Waves Creative 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
Define frequency and time period.
2)
Give the relation between velocity v, angular frequency \(\omega\) and wave number \(\lambda\)?
3)
Define amplitude of the wave.
4)
What is the effect of pressure on velocity of sound in gas?
5)
What is Echo?

11th Standard English Medium Physics Subject Waves Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
the velocity of sound in air is 340 ms^-1, a person singing a note of frequency 250 cps is producing sound waves with a wavelength of ________
2)
As a transverse wave strikes against a fixed end ________.
3)
A source of sounds is travelling with a velocity of 40 km/hr towards an observer and emits sound of frequency 2000 Hz. If the velocity of sound is 1220 km/hr, then what is the apparent frequency heard by the observer?
4)
A vehicle with a horn of frequency n is moving with a velocity of 30 m/s in a direction perpendicular to the straight line joining the observer and the vehicle. The observer perceives the sound to have a frequency n + n₁. Then (if the sound velocity in air is 300 m/s) _________
5)
The Doppler effect is applicable for ________.

11th Standard English Medium Physics Subject Waves Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
Y₁ = 4 sin(wt + kx), Y₂ = -4 cos(wt + kx), the phase difference is ________________.
2)
A wave equation is y = 0.01 sin (100\(\pi t\) - kx) of wave velocity is l00m/s, its number is equal to ________________.
3)
A particle on the tough of a wave art any instant will come to the mean position after a time (7= time period) ______________.
4)
An organ pipe of length I vibrates in the fundamental mode, the pressure variation is maximum _______________.
5)
If an experment with sonometer, a tuning fork of frequency 256 Hz resonates with a length of 25cm and another tuning fork resonates with constants the frequency of the second tuning fork is _________________.

11th Standard English Medium Physics Subject Oscillations Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
A seconds pendulum is placed in a space laboratory orbiting around the Earth at a height 3R from the Earth's surface where R is the radius of the Earth. The time period of the pendulum will be ________.
2)
A mass m is vertically suspended from a spring of negligible mass; the system oscillates with a frequency n. What will be the frequency of the system, if a mass 4m is suspended from the same spring?
3)
Two simple pendulums of lengths 0.5m and 2.0m respectively are given small linear displacement in one direction at the same time. They will again be in phase when the pendulum of shorter length has completed _______ oscillations.
4)
A body is executing simple harmonic motion with an angular frequency 2 rod/sec. The velocity of the body at 20mm displacement, when the amplitude of motion is 60mm, is _____________.
5)
If the displacement of a particle executing SHM, is given by y = 0.30 sin (220t + 0.64) in metre, then the frequency and the maximum velocity of the particle are (t is in seconds) ________.

11th Standard English Medium Physics Subject Oscillations Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
A particle executing a SHM has a maximum displacement of 2 cm its acceleration at a distance of 0.5 cm from its mean position is 2 cm/s², What will be its velocity when it is at a distance of 1 cm from its mean position?
2)
A body of mass 1 kg is executing SHM given by, x = 4 Cos\(\left( 100t+\frac { \pi }{ 2 } \right) \)cm. Whatis the velocity?
3)
The piston in the cylinder head of a locomotive has a stroke (twice the amplitude) of 1.0 m. If the piston moves with S.H.M with an angular frequency of 200 rad/min. Then the maximum speed will be _________.
4)
A spring balance has a scale that reads from o to 50 kg the length of the scale is 20 cm. A body suspended from this balance, when displaced and released, oscillates with a period of 0.6 s. Then the weight of the body will be ______________.
5)
A small body of mass 50 g is undergoing SHM of amplitude 100 cm and period 0.2 s. What is the maximum value of the force acting on the body?

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
On colliding with the walls in a closed container, the ideal gas molecules _______________
2)
The speeds of 5 molecules of a gas (in arbitrary units) are as follows: 2, 3, 4, 5, 6 The root mean square speed for these molecule is _________________.
3)
At absolute zero temperature, the K.E. of the molecules becomes ________
4)
If the rms speed of the molecules of a gas is 1000 ms^-1 the average speed of the molecule is ______________.
5)
The gas having average molecular speed four times that of SO₂ (molecular mass 64) is _______________

11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
In ideal gas is expanding such that PT² = constant. The coefficient of volume expansion of the gas is ______________.
2)
Moving with uniform speed. The temperature of the gas molecules inside will _____________.
3)
During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature the ratio \(\frac { { C }_{ p } }{ { C }_{ v } } \)for the gas is _____________.
4)
The gas having average speed four times as that of SO₂ (molecule mass 64) is ____________.
5)
The ratio of the vapour densities of two gases at a gn is 9 : 8. The ratio of the r_ms velocity of their molecules is ________________.

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
Two vessels A and B contain the same ideal gas. The volume of B is twice that of A, the pressure in B is twice that in A and the temperature of B is twice that of A. The ratio of the number of gas molecules in A and B is _______________.
2)
According to Boyle's law, PV = C when the temperature of the gas remains constant. The value of C depends on ______________.
3)
The pressure of a gas contained in a closed vessel is increased by 0.4% when heated by 1°C. The initial temperature was ____________________.
4)
A temperature difference of 25°C is equivalent to a temperature difference of ______________.
5)
A temperature at which both the Fahrenheit and the centigrade scales have the same value is ___________

11th Standard English Medium Physics Subject Heat and Thermodynamics Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
The length of a metal rod at 0°C is 0.5m. When it is heated, its length increases by 2.7 mm. The final temperature of the rod is (coefficient of linear expansion of the metal = 90 x 10^-6/°C) _______.
2)
A bimetal made of copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will ___________.
3)
When water is heated from 0^oC to 0^oC, its volume ________.
4)
A block of wood is floating on water at 0^oC with a certain volume V above water level. The temperature of water is slowly raised to 20^oC. How does the volume V change with the rise of temperature?
5)
An iron tyre is to be fitted on a wooden wheel 0.1 in diameter. The diameter of the tyre is 6 mm smaller than that of the wheel. The tyre should be heated by a temperature of (coefficient of volume expansion of iron is 3.6\(\times\)10^-5/°C) ________

11th Standard English Medium Physics Subject Properties of Matter Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
A steel ball is dropped in oil, then ______________.
2)
An aeroplane gets its upward lift due to phenomenon described by the _____________.
3)
The rate of flow of liquid through an orifice of a tank does not depend upon ____________.
4)
A rectangular vessel when full of water, takes 10 min to be emptied through an orifice in its bottom, how much time will it take to be emptied when half filled with water _____________.
5)
One large soap bubble of diameter D breakes into 27 bubbles having surface tension T, the change in surface energy is _______________.

11th Standard English Medium Physics Subject Properties of Matter Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
Water rises in a capillary tube to a certain height such that the upward force due to the surface tension is balanced by 62.84\(\times\)10^-5N force due to the weight of the liquid column. If the surface tension of water is 70\(\times\)10^-3Nm the radius of the capillary tube is ____________.
2)
The work done against surface tension in blowing a soap bubble from a radjus of 5 cm to 15 cm is ____________. (surface tension of soap solution is 30\(\times\)10^-3 Nm^-1)
3)
Ablack body is continuously radiating measured at a temperature of 2880 k if U₁ U₂ and U₃ are the amount of radiation measured between the wavelengths 599 & 600 nm, 999 & 1000 nm & 1499 & 1500 nm respectively then _____________ (wiresconstant b = 2.88\(\times\)10²⁶ kmk)
4)
A wooden block is taken to the bottom of a deep column lake of water and then released it rises up with a _____________.
5)
If there were no gravity, which of the following will not be there for a fluid?

11th Standard English Medium Physics Subject Gravitation Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
The contact angle between a solid & a liquid is a property of ______________.
2)
The properties of a surface are different from those of the bulk liquid because the surface molecules are ______________.
3)
When a capillary tube is dipped into a liquid the liquid neither rises nor falls in the capillary ________.
4)
A liquid is contained in a vertical tube of semicircular cross section the contact angel is zero. The force of surface tension on the curved part & on the flat part are in ratio ______________.
5)
According to Kepler, planet move in _____________.

11th Standard English Medium Physics Subject Gravitation Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
The radii of two planets are respectively R₁ and R₂ and their densities are respectively \(\rho\)₁ and \(\rho\)₂ the ratio of the accelerations due to gravity at their surface is ________
2)
The acceleration due to gravity near the surface of a planet of radius R and density d is proportional to ____________.
3)
The acceleration of a body due to the attraction of the Earth (radius R) at a distance 2R from the surface of the Earth is __________.
4)
If density of Earth increased 4 times and its radius becomes half of then out weight will be ________.
5)
The radius of the Earth is 6400 km and g = 10 ms^-2 in order that a body of 5 kg weights zero at the equator, the angular speed of the Earth is _______ rad R^-1

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
Which of the following has largest M.I _________________.
2)
A dancer on ice spins faster when she folds her arms. This is due to _________________.
3)
A bomb traveling in a parabolic path explodes in mid-air. The C.M. of fragments will _______________.
4)
Consider a system of two identical particles. One is at rest and the other has an acceleration \(\overrightarrow { a } \). The centre of mass has an acceleration ______________.
5)
The least coefficient of friction for an inclined plane inclined at an angle \(\alpha\) with horizontal, in order that a solid cylinder will roll down it without slipping?

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
A system consisting of two masses connected by a massless rod lies along the x axis. If 0.2 kg mass is at a distance x = 0.5m while a 0.3 kg mass is at a distance x = 1m, then the x - co-ordinate of the centre of mass will be at ______________.
2)
If earth suddenly contracts to 0.75 times of its present radius, then the length of the day becomes _______________
3)
The angular momentum of a rotating body is doubled, its K.E. of rotation becomes ________________
4)
Where will be the centre of mass on combining two masses m and M (M > m)?
5)
Two bodies of masses 2 kg and 3 kg have position vectors \(\hat { i } +2 \hat { j} +\hat { k} \) and \(\hat { -4i } - \hat {(-3j)} +\hat { 6k} \) respectively. The centre of mass of this system has a position vector _____________.

11th Standard English Medium Physics Subject Work, Energy and Power Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
A particle is projected making an angle of 45° with horizontal having kinetic energy K. The kinetic energy at highest point will be ____________.
2)
If \(\vec F=(60\hat i+15\hat j-3\hat k)\)N and \(\vec v=(2\hat i-4\hat j+5\hat k)\) m/s, then instantaneous power is ___________.
3)
A mass of 1 kg is thrown up with a velocity of 1.00 m/s. After 5 seconds, it explodes into two parts. One part of mass 400 g comes down with a velocity 25 m/s. The velocity of other part is (Take g = 10 ms^-2)
4)
Two bodies with kinetic energies in the ratio of 4: 1 are moving with equal linear momentum. The ratio of their masses is _______________.
5)
A force acts on a 3 g particle, in such a way that the position of the particle as a function of time is given by x = 3t - 4t² + t³, where x is in metres and t is in seconds. The work done during the first 4 second is _____________.

11th Standard English Medium Physics Subject Work, Energy and Power Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
A ball moves on a frictionless inclined table without slipping. The work done by the table surface on the ball is ____________.
2)
A force\(\overrightarrow { F } =3\hat { i } +c\hat { j } +2\hat { k } \) acting on a particle causes a displacement \(\overrightarrow { S } =(2\hat { i } -3\hat { j } +4\hat { k } )\) in its own direction. If the work done is 8J, then the value of c is ______________.
3)
A body is falling from a height h. After it has fallen a height \(\frac{h}{2}\) it will possess _______________
4)
Water stored in a dam possesses _______________.
5)
Which one of the following is not the unit of energy?

11th Standard English Medium Physics Subject Laws of Motion Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
The motion of a rocket is based on the principle of conservation of _____________.
2)
A simple pendulum is set up in a trolley which is moving with an acceleration 'a' on a horizontal plane. Then the thread of the pendulum in the mean position makes an angle with the vertical equal to _____________.
3)
A marble block of mass 3 kg lying on ice when given a velocity of 5 ms^-1is stopped by friction in 10s. Then the coefficient of friction is ______________.
4)
A particle revolves round a circular pattern. The acceleration of the particle is inversely proportional to ______________
5)
A stone tied to a string is rotated with a uniform speed in vertical plane. If mass of the stone is m, length of the string is r and linear speed of the stone is v, then tension in the string, when the stone is at its lowest point is ______________

11th Standard English Medium Physics Subject Laws of Motion Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
A heavy iron rod of weight W is having its one end on the ground and the other on the shoulder of a man. The rod makes an angle ፀ with the horizontal. What is the weight experienced by the man?
2)
A ship of mass 3\(\times\) 10⁶ kg initially at rest is pulled by a force of 6 \(\times\) 10⁴ N through a distance of 4m. The speed of the ship is (Assume resistive of water is negligible)
3)

Two blocks A & B of masses 2m & m are connected by a massless and inextensible strong. The magnitudes of acceleration of A & B immediately after the string is cut are ____________.
4)
A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m. A force F is applied at the free end of the rope. The force exerted by the rope on the block ____________.
5)
Three forces F₂, F₂ & F₃ are acting on a particle of mass m such that F₂ & F₃ are mutually perpendicular, then the particle remains stationary. If the force F₁ is now removed, then the acceleration of the particle is _____________.

11th Standard English Medium Physics Subject Kinematics Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
Vectors which acts along the same line are called _____________
2)
What is the resultant vectors, when 2 vectors are at right angles to each other?
3)
Resultant of the 2 vector is maximum when angle between them is _____________
4)
Two vectors act along the mutually perpendicular directions are called______vectors.
5)
The dot product of two vectors is _____________

11th Standard English Medium Physics Subject Kinematics Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
The displacement of particle is given by X = a_o+ \(\frac{a_1t}{2}-\frac{2_2t^2}{3}\) What is its acceleration?
2)
The slope of the velocity-time graph for retarded motion is ______________
3)
The path of a particle moving under the influence of a force fixed in magnitude and direction is ______________
4)
A train is moving towards east and a car is along north, both with same speed. The passenger in the train is observed the car moving in which of the following direction?
5)
A man should hold his umbrella with vertical, when rain falls vertically with velocity \(\vec { { V }_{ R } } \) and man walks horizontally with velocity \(\vec{{V}_{M}}\) is _____________

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 23, 2021 - View & Read

1)
The displacement of a particle moving afong x-axis with respect to time is given by x =at + bt² - ct³. The dimensions of b are ________________.
2)
The Van der Waal equation for n moles of a real gas is \((P+\frac{a}{V^2})(V-b)=RT\) where P is the pressure. V is the volume. T is the absolute temperature. R is the molar gas constant and 'a' and 'b' are Van der Waal constants. The dimensions of 'a' are the same as those of _______________.
3)
The dimensions of \(\frac { 1 }{ \sqrt { { \mu }_{ 0 }{ \varepsilon }_{ 0 } } } \) are the same as those of ______________.
4)
The speed of gravity waves in water is proportional to \(\lambda^a\rho^bg^y\) where \(\lambda\) is the wavelength, p is the density of water and g is the acceleration due to gravity. The correct relation between \(\alpha,\beta\) and r is _______________.
5)
If E and B respectively, represent electric field and magnetic induction field, then the ratio \(\frac{E}{B}\) has the dimensions of _____________.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Creative 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 23, 2021 - View & Read

1)
Astromical Scale is dealt with the _________ Physics
2)
Microscopic group of Physics dealt with the study of ____________.
3)
Which is deals with the study of materials of an intermediate length scale?
4)
What is the range of astronomical time scales to microscopic scales?
5)
The law of electricity and magnetism is used to ____________

11th Standard English Medium Physics Subject Book Back 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Check the correctness of the equation\(\frac { 1 }{ 2 } \)mv² = mgh using dimensional analysis method.
2)
Derive the expression for centripetal acceleration.
3)
Describe the method of measuring angle of repose.
4)
Arrive at an expression for elastic collision in one Dimension and discuss various cases.
5)
State and prove parallel axis theorem.

11th Standard English Medium Physics Subject Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Write short notes on the following.
(a) Unit
2)
Derive the equations of motion for a particle
(a) falling vertically
(b) projected vertically.
3)
Consider a circular road of radius 20 meter banked at an angle of 15 degree. With what speed a car has to move on the turn so that it will have safe turn?
4)
Explain the method to find the center of gravity of a irregularly shaped lamina?
5)
A fly wheel rotates with a uniform angular acceleration. If its angular velocity increases from 20\(\pi\) rad/s to 40\(\pi\) rad/s in 10 seconds. Find the number of rotations in that period.

11th Standard English Medium Physics Subject Book Back 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Convert a velocity of 72 kmh^-1 into ms^-1 with the help of dimensional analysis.
2)
Write down the kinematic equations for angular motion.
3)
Consider two trains A and B moving along parallel tracks with the same velocity in the same direction. Let the velocity of each train be 50 km h^-1 due east. Calculate the relative velocities of the trains.
4)
Show that impulse is the change of momentum.
5)
Let the two springs A and B be such that k_A > k_B, On which spring will more work has to be done if they are stretched by the same force?

11th Standard English Medium Physics Subject Book Back 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Find the dimensions of a and b in the formula \(\left[ P+{{a\over V^2}} \right][V-b]=RT\) where P is pressure and V is the volume of the gas
2)
Two vectors \(\vec A\) and \(\vec B\) of magnitude 5 units and 7 units make an angle 60° with each other. Find the magnitude of the difference vector \(\vec A\) - \(\vec B\) and its direction with respect to the vector \(\vec A\).
3)
Show that impulse is the change of momentum.
4)
A body of mass m is attached to the spring which is elongated to 25 cm by an applied force from its equilibrium position.
(a) Calculate the potential energy stored in the spring-mass system?
(b) What is the work done by the spring force in this elongation?
(c) Suppose the spring is compressed to the same 25 cm, calculate the potential energy stored and also the work done by the spring force during compression. (The spring constant, k= 0.1 N m^-1).
5)
What is the difference between sliding and slipping?

11th Standard English Medium Physics Subject Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A particle of mass 2 kg experiences two forces, \(\vec { { F }_{ 1 } } =5\hat { i } +8\hat { j } +7\hat { k } \) and \(\vec { { F }_{ 2 } } =3\hat { i } -4\hat { j } +3\hat { k } \). What is the acceleration of the particle?
2)
A force \(\vec F=\vec i+2\vec j+3\vec k\) k acts on a particle and displaces it through a distance \(\vec S=4\vec i+6\vec j\). Calculate the work done if force and work done are in the same direction?
3)
Why is it much easier to balance a meter scale on your finger tip than balancing on a match stick?
4)
State Kepler’s three laws.
5)
What is Reynold’s number? Give its significance.

11th Standard English Medium Physics Subject Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Show that a screw gauge of pitch 1mm and 100 divisions is more precise than a vernier caliper with 20 divisions on the sliding scale.
2)
Write a short note on the scalar product between two vectors.
3)
Can we predict the direction of motion of a body from the direction of force on it?
4)
Explain how the definition of work in physics is different from general perception.
5)
A force of \((4\hat{i}-3\hat{j}+5\hat{k})\) N is applied at a point whose position vector is \((7\hat{i}+4\hat{j}-2\hat{k})\) m. Find the torque of force about the origin.

11th Standard English Medium Physics Subject Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Two objects are projected at angles 30° and 60° respectively with respect to the horizontal direction. The range of two objects are denoted as R_30° and R_30°. Choose the correct relation from the following
2)
Force acting on the particle moving with constant speed is
3)
A wind-powered generator converts wind energy into electric energy. Assume that the generator converts a fixed fraction of the wind energy intercepted by its blades into electrical energy. For wind speed v, the electrical power output will be proportional to
4)
Two discs of same moment of inertia rotating about their regular axis passing through center and perpendicular to the plane of the disc with angular velocities ω₁ and ω₁. They are brought in to contact face to face coinciding with the axis of rotation. The expression for loss of energy during this process is
5)
The work done by the Sun’s gravitational force on the Earth is

11th Standard English Medium Physics Subject Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
If the error in the measurement of radius is 2%, then the error in the determination of volume of the sphere will be
2)
If an object is dropped from the top of a building and it reaches the ground at t = 4 s, then the height of the building is (ignoring air resistance) (g = 9.8 ms^-2)
3)
A book is at rest on the table which exerts a normal force on the book. If this force is considered as reaction force, what is the action force according to Newton's third law?
4)
The work done by the conservative force for a closed path is
5)
From a disc of radius R a mass M, a circular hole of diameter R, whose rim passes through the center is cut. What is the moment of inertia of the remaining part of the disc about a perpendicular axis passing through it

11th Standard English Medium Physics Subject Waves Book Back 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Describe Newton’s formula for velocity of sound waves in air and also discuss the Laplace’s correction.
2)
Briefly explain the concept of superposition principle.
3)
What are stationary waves? Explain the formation of stationary waves and also write down the characteristics of stationary waves.
4)
Explain the concepts of fundamental frequency, harmonics and overtones in detail.
5)
Write short notes on intensity and loudness.

11th Standard English Medium Physics Subject Waves Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Discuss how ripples are formed in still water.
2)
Show that the velocity of a travelling wave produced in a string is v\(\sqrt { \frac { T }{ \mu } } \)
3)
Write short notes on reflection of sound waves from plane and curved surfaces.
4)
Explain how the interference of waves is formed.
5)
Discuss the law of transverse vibrations in stretched strings.

11th Standard English Medium Physics Subject Oscillations Book Back 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
What is meant by angular harmonic oscillation? Compute the time period of angular harmonic oscillation.
2)
Discuss the simple pendulum in detail.
3)
Describe the vertical oscillations of a spring.
4)
Discuss in detail the energy in simple harmonic motion.
5)
Consider the Earth as a homogeneous sphere of radius R and a straight hole is bored in it through its centre. Show that a particle dropped into the hole will execute a simple harmonic motion such that its time period is \(T=2\pi \sqrt { \frac { R }{ g } } \).

11th Standard English Medium Physics Subject Oscillations Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
In simple pendulum experiment, we have used small angle approximation. Discuss the small angle approximation.
2)
Describe Simple Harmonic Motion as a projection of uniform circular motion.
3)
Write down the difference between simple harmonic motion and angular simple harmonic motion.
4)
Explain the horizontal oscillations of a spring.
5)
Write short notes on the oscillations of liquid column in U-tube.

11th Standard English Medium Physics Subject Properties of Matter Book Back 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
State Hooke’s law and verify it with the help of an experiment?
2)
Derive an expression for the elastic energy stored per unit volume of a wire.
3)
State and prove Pascal’s law in fluids?
4)
Derive the expression for the terminal velocity of a sphere moving in a high viscous fluid using stokes force.
5)
Obtain an expression for the excess of pressure inside a
i) liquid drop
ii) liquid bubble
iii) air bubble.

11th Standard English Medium Physics Subject Properties of Matter Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
State and prove Pascal’s law in fluids?
2)
Derive the expression for the terminal velocity of a sphere moving in a high viscous fluid using stokes force.
3)
Obtain an expression for the excess of pressure inside a
i) liquid drop
ii) liquid bubble
iii) air bubble.
4)
Obtain an equation of continuity for a flow of fluid on the basis of conservation of mass.
5)
Describe the construction and working of venturimeter and obtain an equation for the volume of liquid flowing per second through a wider entry of the tube.

11th Standard English Medium Physics Subject Gravitation Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Explain the variation of g with lattitude.
2)
Explain the variation of g with depth from the Earth’s surface.
3)
Derive an expression for energy of satellite.
4)
Explain how geocentric theory is replaced by heliocentric theory using the idea of retrograde motion of planets.
5)
Describe the measurement of Earth’s shadow (umbra) radius during total lunar eclipse.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Explain why a cyclist bends while negotiating a curve road? Arrive at the expression for angle of bending for a given velocity?
2)
Derive the expression for moment of lnertia of a uniform ring about an axis passing through the center and perpendicular to the plane?
3)
State and prove parallel axis theorem.
4)
State and prove perpendicular axis theorem.
5)
On the edge of a wall, we build a brick tower that only holds because of the bricks own weight. Our goal is to build a stable 1 tower whose overhang d is greater than the length l of a single brick. What is the minimum number of bricks you need?

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Three particles of masses m₁= 1kg, m₂ = 2kg and m₃ = 3kg are placed at the comers of an equilateral triangle of side 1m as shown in Figure. Find the position of center of mass.
2)
From a complete ring of mass M and radius R, a sector angle \(\theta\) is removed. What is the moment of inertia of the incomplete ring about axis passing through the center of the ring and perpendicular to the plane of the ring?
3)
If energy of 1000 J is spent in increasing the speed of a flywheel from 30 rpm to 720 rpm, find the moment of inertia of the wheel.
4)
A thin horizontal circular disc is rotating about a vertical axis passing through its center. An insect goes from A to point B along its diameter as shown in Figure. Discuss how the angular speed of the circular disc changes?
5)
Consider a thin uniform circular ring rolling down in an inclined plane without slipping. Compute the linear acceleration along the inclined plane if the angle of inclination is \(45 ^{0}\).

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Explain with graphs the difference between work done by a constant force and by a variable force.
2)
State and explain work energy principle. Mention any three examples for it.
3)
Arrive at an expression for power and velocity. Give some examples for the same.
4)
Arrive at an expression for elastic collision in one Dimension and discuss various cases.
5)
What is inelastic collision? In which way it is different from elastic collision. Mention few examples in day to day life for inelastic collision.

11th Standard English Medium Physics Subject Laws of Motion Book Back 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Prove the law of conservation of linear momentum. Use it to find the recoil velocity of a gun when a bullet is fired from it.
2)
Explain the motion of blocks connected by a string in Horizontal motion.
3)
State Newton's three laws and discuss their significance.
4)
Briefly explain 'centrifugal force' with suitable examples.
5)
Describe the method of measuring angle of repose.

11th Standard English Medium Physics Subject Gravitation Book Back 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Prove that at points near the surface of the Earth, the gravitational potential energy of the object is U = mgh.
2)
Derive an expression for escape speed.
3)
Explain the variation of g with altitude.
4)
Derive the time period of satellite orbiting the Earth.
5)
Explain in detail the geostationary and polar satellites.

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Explain Joule’s Experiment of the mechanical equivalent of heat.
2)
Derive Mayer’s relation for an ideal gas.
3)
Derive the work done in an isothermal process.
4)
Derive the work done in an adiabatic process
5)
Explain in detail the isochoric process.

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Explain in detail an adiabatic process.
2)
Explain the isobaric process and derive the work done in this process.
3)
What are the limitations of the first law of thermodynamics?
4)
Explain in detail carnot heat engine.
5)
Explain the second law of thermodynamics in terms of entropy.

11th Standard English Medium Physics Subject Laws of Motion Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
If a stone of mass 0.25 kg tied to a string executes uniform circular motion with a speed of 2 m s^-1 of radius 3 m, what is the magnitude of tensional force acting on the stone?
2)
Consider a circular leveled road of radius 10m having coefficient of static friction 0.81. Three cars (A, B and C) are travelling with speed 7 ms^-1, 8 m s^-1 and 10 ms^-1 respectively. Which car will skid when it moves in the circular level road? (g = 10 m s^-2).
3)
Calculate the centrifugal force experienced by a man of 60 kg standing at Chennai? (Given: Latitude of Chennai is 13°)
4)
A gun weighing 25 kg fires a bullet weighing 30 g with the speed of 200 ms^-1. What is the speed of recoil of the gun.
5)
In the section 3.7.3 (Banking of road) we have not included the friction exerted by the road on the car. Suppose the coefficient of static friction between the car tyre and the surface of the road is, calculate the minimum speed with which the car can take safe turn? When the car takes turn in the banked road, the following three forces act on the car.
(1) The gravitational force mg acting downwards.
(2) The normal force N acting perpendicular to the surface of the road.
(3) The static frictional force f acting on the car along the surface.

11th Standard English Medium Physics Subject Kinematics Book Back 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Discuss the properties of scalar and vector products.
2)
Derive the equations of motion for a particle
(a) falling vertically
(b) projected vertically.
3)
Derive the expression for centripetal acceleration.
4)
Two vectors \(\vec A\) and \(\vec B\) of magnitude 5 units and 7 units respectively make an angle 60° with each other as shown below. Find the magnitude of the resultant vector and its direction with respect to 7 unit the vector \(\vec A\).
5)
Suppose an object is thrown with initial speed 10 ms^-1 at an angle \(\frac{\pi}{4}\) with the horizontal, what is the range covered? Suppose the same object is thrown similarly in the Moon, will there be any change in the range? If yes, what is the change? (The acceleration due to gravity in the Moon \(g_{moon}=\frac{1}{6}g\)).

11th Standard English Medium Physics Subject Kinematics Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
If the value of universal gravitational constant in SI is 6.610^-11Nm^-2kg^-2, then find its value in CGS System?
2)
Obtain an expression for the time period T of a simple pendulum. The time period T depend upon
(i) mass 'm' of the bob
(ii) length 'l' of the pendulum and
(iii) acceleration due to gravity g at the place where the pendulum is suspended. (Constant k = 2π) i.e
3)
Two resistors of resistances R₁= 150 ± 2 Ohm and R₂ = 220 ± 6 Ohm are connected in parallel combination. Calculate the equivalent resistance.
Hint:\(\frac{1}{R'}=\frac{1}{R_1}+\frac{1}{R_2}\)
4)
Using a Vernier Callipers, the length of a cylinder in different measurements is found to be 2.36 cm, 2.27 cm, 2.26 cm, 2.28 cm, 2.31 cm, 2.28 cm and 2.29 cm. Find the mean value, absolute error, the relative error and the percentage error of the cylinder.
5)
The shadow of a pole standing on a level ground is found to be 45 m longer when the sun's altitude is 30^o than when it was 60^o. Determine the height of the pole. [Given \(\sqrt { 3 } \)=1.73]

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 5 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
What do you mean by propagation of errors? Explain the propagation of errors in addition and multiplication.
2)
The parallal x of a heavenly body measured from two points diametrically opposite on equator of earth is 2'. Calculate the distance of the heavenly body. [Given radius of the earth = 6400 km] [1" = 4.85\(\times\)10^-6rad]
3)
Check the correctness of the equation\(\frac { 1 }{ 2 } \)mv² = mgh using dimensional analysis method.
4)
The force F acting on a body moving in a circular path depends on mass of the body (m), velocity (v) and radius (r) of the circular path. Obtain the expression for the force by dimensional analysis method. (Take the value of k = 1)
5)
A capacitor of capacitance C = 3.0 ± 0.1\(\mu \)F is charged to a voltage of V = 18 ± 0.4 Volt. Calculate the charge Q [Use Q = CV].

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A football at 27°C has 0.5 mole of air molecules. Calculate the internal energy of air in the ball.
2)
Ten particles are moving at the speed of 2, 3, 4, 5, 5, 5, 6, 6, 7 and 9 m s^-1. Calculate rms speed, average speed and most probable speed.
3)
Calculate the rms speed, average speed and the most probable speed of 1 mole of hydrogen molecules at 300 K. Neglect the mass of electron.
4)
Find the adiabatic exponent \(\gamma\) for mixture of μ₁ moles of monoatomic gas and μ₂ moles of a diatomic gas at normal temperature (27°C).
5)
An oxygen molecule is travelling in air at 300 K and 1 atm, and the diameter of oxygen molecule is 1.2\(\times\)10⁻¹⁰m. Calculate the mean free path of oxygen molecule.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 5 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Check the correctness of the equation\(\frac { 1 }{ 2 } \)mv² = mgh using dimensional analysis method.
2)
The force F acting on a body moving in a circular path depends on mass of the body (m), velocity (v) and radius (r) of the circular path. Obtain the expression for the force by dimensional analysis method. (Take the value of k = 1)
3)
A capacitor of capacitance C = 3.0 ± 0.1\(\mu \)F is charged to a voltage of V = 18 ± 0.4 Volt. Calculate the charge Q [Use Q = CV].
4)
Convert 76 cm of mercury pressure into Nm^-2 using the method of dimensions.
5)
Explain the principle of homogeniety of dimensions. What are its uses? Give example

11th Standard English Medium Physics Subject Waves Book Back 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Calculate the speed of sound in a steel rod whose Young’s modulus Y = 2\(\times\)10¹¹ N m^-2 and \(\rho\) = 7800 kg m^-3.
2)
Two vibrating tuning forks produce waves whose equation is given by y₁ = 5 sin(240\(\pi\)t) and y₂ = 4 sin(244πt). Compute the number of beats per second.
3)
The sound level from a musical instrument playing is 50 dB. If three identical musical instruments are played together then compute the total intensity. The intensity of the sound from each instrument is 10^-12 W m^-2.
4)
If the third harmonics of a closed organ pipe is equal to the fundamental frequency of an open organ pipe, compute the length of the open organ pipe if the length of the closed organ pipe is 30 cm.
5)
An observer observes two moving trains, one reaching the station and other leaving the station with equal speeds of 8 m s⁻¹. If each train sounds its whistles with frequency 240 Hz, then calculate the number of beats heard by the observer.

11th Standard English Medium Physics Subject Waves Book Back 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A baby cries on seeing a dog and the cry is detected at a distance of 3.0 m such that the intensity of sound at this distance is 10^-2 W m^-2. Calculate the intensity of the baby’s cry at a distance 6.0 m.
2)
If a flute sounds a note with 450Hz, what are the frequencies of the second, third, and fourth harmonics of this pitch? If the clarinet sounds with a same note as 450Hz, then what are the frequencies of the lowest three harmonics produced?
3)
Consider a tuning fork which is used to produce resonance in an air column. A resonance air column is a glass tube whose length can be adjusted by a variable piston. At room temperature, the two successive resonances observed are at 20 cm and 85 cm of the column length. If the frequency of the length is 256 Hz, compute the velocity of the sound in air at room temperature.
4)
Describe the formation of beats.
5)
Consider two organ pipes of same length in which one organ pipe is closed and another organ pipe is open. If the fundamental frequency of closed pipe is 250 Hz. Calculate the fundamental frequency of the open pipe.

11th Standard English Medium Physics Subject Oscillations Book Back 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A nurse measured the average heart beats of a patient and reported to the doctor in terms of time period as 0.8 s. Express the heart beat of the patient in terms of number of beats measured per minute.
2)
A spring balance has a scale which ranges from 0 to 25 kg and the length of the scale is 0.25m. It is taken to an unknown planet X where the acceleration due to gravity is 11.5 m s⁻¹. Suppose a body of mass M kg is suspended in this spring and made to oscillate with a period of 0.50 s. Compute the gravitational force acting on the body.
3)
Consider two springs with force constants 1 N m⁻¹ and 2 N m⁻¹ connected in parallel. Calculate the effective spring constant (k_p) and comment on k_p.
4)
If the length of the simple pendulum is increased by 44% from its original length, calculate the percentage increase in time period of the pendulum.
5)
Write down the kinetic energy and total energy expressions in terms of linear momentum, For one-dimensional case.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Write down the postulates of kinetic theory of gases.
2)
Derive the expression of pressure exerted by the gas on the walls of the container.
3)
Explain in detail the kinetic interpretation of temperature.
4)
Derive the ratio of two specific heat capacities of monoatomic, diatomic and triatomic molecules.
5)
Derive the expression for mean free path of the gas.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Derive the expression of pressure exerted by the gas on the walls of the container.
2)
Describe the total degrees of freedom for monoatomic molecule, diatomic molecule and triatomic molecule.
3)
Derive the ratio of two specific heat capacities of monoatomic, diatomic and triatomic molecules.
4)
Explain in detail the Maxwell Boltzmann distribution function.
5)
Describe the Brownian motion.

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Jogging every day is good for health. Assume that when you jog a work of 500 kJ is done and 230 kJ of heat is given off. What is the change in internal energy of your body?
2)
A 0.5 mole of gas at temperature 300 K expands isothermally from an initial volume of 2 L to 6 L
(a) What is the work done by the gas?
(b) Estimate the heat added to the gas?
(c) What is the final pressure of the gas?
(The value of gas constant, R = 8.31 J mol^-1 K^-1)
3)

We often have the experience of pumping air into bicycle tyre using hand pump. Consider the air inside the pump as a thermodynamic system having volume V at atmospheric pressure and room temperature, 27°C. Assume that the nozzle of the tyre is blocked and you push the pump to a volume 1/4 of V.
Calculate the final temperature of air in the pump? (For air, since the nozzle is blocked air will not flow into tyre and it can be treated as an adiabatic compression).
4)
500 g of water is heated from 30°C to 60°C. Ignoring the slight expansion of water, calculate the change in internal energy of the water? (specific heat of water 4184 J/kg.K)
5)
A steam engine boiler is maintained at 250°C and water is converted into steam. This steam is used to do work and heat is ejected to the surrounding air at temperature 300K. Calculate the maximum efficiency it can have?

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Jogging every day is good for health. Assume that when you jog a work of 500 kJ is done and 230 kJ of heat is given off. What is the change in internal energy of your body?
2)
A 0.5 mole of gas at temperature 300 K expands isothermally from an initial volume of 2 L to 6 L
(a) What is the work done by the gas?
(b) Estimate the heat added to the gas?
(c) What is the final pressure of the gas?
(The value of gas constant, R = 8.31 J mol^-1 K^-1)
3)

We often have the experience of pumping air into bicycle tyre using hand pump. Consider the air inside the pump as a thermodynamic system having volume V at atmospheric pressure and room temperature, 27°C. Assume that the nozzle of the tyre is blocked and you push the pump to a volume 1/4 of V.
Calculate the final temperature of air in the pump? (For air, since the nozzle is blocked air will not flow into tyre and it can be treated as an adiabatic compression).
4)
500 g of water is heated from 30°C to 60°C. Ignoring the slight expansion of water, calculate the change in internal energy of the water? (specific heat of water 4184 J/kg.K)
5)
A steam engine boiler is maintained at 250°C and water is converted into steam. This steam is used to do work and heat is ejected to the surrounding air at temperature 300K. Calculate the maximum efficiency it can have?

11th Standard English Medium Physics Subject Properties of Matter Book Back 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Two pistons of a hydraulic lift have diameters of 60 cm and 5 cm. What is the force exerted by the larger piston when 50 N is placed on the smaller piston?
2)
A metal plate of area 2.5\(\times\)10^-4m² is placed on a 0.25\(\times\)10^-3m thick layer of castor oil. If a force of 2.5 N is needed to move the plate with a velocity 3\(\times\)10^-2m s^-1, calculate the coefficient of viscosity of castor oil.
Given: A = 2.5\(\times\)10-4 m², dx = 0.25\(\times\)10^-3m, F = 2.5N and dv = 3×10^-2 m s^-1
3)
If excess pressure is balanced by a column of oil (with specific gravity 0.8) 4 mm high, where R = 2.0 cm, find the surface tension of the soap bubble.
4)
Water rises in a capillary tube to a height of 2.0cm. How much will the water rise through another capillary tube whose radius is one-third of the first tube?
5)
Mercury has an angle of contact equal to 140° with soda lime glass. A narrow tube of radius 2 mm, made of this glass is dipped in a trough containing mercury. By what amount does the mercury dip down in the tube relative to the liquid surface outside?. Surface tension of mercury T = 0.456 N m^-1; Density of mercury \(\rho\) = 13.6\(\times\)10³ kg m^-3

11th Standard English Medium Physics Subject Properties of Matter Book Back 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A solid sphere has a radius of 1.5 cm and a mass of 0.038 kg. Calculate the specific gravity or relative density of the sphere.
2)
A cube of wood floating in water supports a 300 g mass at the centre of its top face. When the mass is removed, the cube rises by 3 cm. Determine the volume of the cube.
3)
Let 2.4\(\times\)10⁻⁴ J of work is done to increase the area of a film of soap bubble from 50 cm² to 100 cm². Calculate the value of surface tension of soap solution.
4)
Water rises in a capillary tube to a height of 2.0cm. How much will the water rise through another capillary tube whose radius is one-third of the first tube?
5)
In a normal adult, the average speed of the blood through the aorta (radius r = 0.8 cm) is 0.33 ms^-1. From the aorta, the blood goes into major arteries, which are 30 in number, each of radius 0.4 cm. Calculate the speed of the blood through the arteries.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
The position vectors of two point masses 10 kg and 5 kg are \((-3\vec{i}+2\vec{j}+4\vec{k})\) m and \((-3\vec{i}+6\vec{j}+5\vec{k})\) m respectively. Locate the position of center of mass.
2)
A cyclist while negotiating a circular path with speed 20 m s^-1 is found to bend an angle by 30° with vertical. What is the radius of the circular path? (given, g = 10 m s^-2)
3)
Find the radius of gyration of a disc of mass M and radius R rotating about an axis passing through the center of mass and perpendicular to the plane of the disc.
4)
Find the rotational kinetic energy of a ring of mass 9 kg and radius 3 m rotating with 240 rpm about an axis passing through its center and perpendicular to its plane. (rpm is a unit of speed of rotation which means revolutions per minute).
5)
Four round objects namely a ring, a disc, a hollow sphere and a solid sphere with same radius R start to roll down an incline at the same time. Find out which object will reach the bottom first.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Define torque and mention its unit.
2)
Give any two examples of torque in day-to-day life.
3)
What is equilibrium?
4)
Define couple.
5)
Define centre of gravity.

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A weight lifter lifts a mass of 250 kg with a force 5000 N to the height of 5m
(a) What is the work done by the weight lifter?
(b) What is the work done by the gravity?
(c) What is the net work done on the object?
2)
An object of mass 2 kg is taken to a height 5 m from the ground (g = 10 ms^-2).
(a) Calculate the potential energy stored in the object.
(b) Where does this potential energy come from?
(c) What external force must act to bring the mass to that height?
(d) What is the net force that acts on the object while the object is taken to the height 'h'?
3)
Consider an object of mass 2 kg moved by an external force 20 N in a surface having coefficient of kinetic friction 0.9 to a distance 10 m. What is the work done by the external force and kinetic friction? Comment on the result. (Assume g = 10 ms^-2)
4)
An object of mass 2 kg attached to a spring is moved to a distance x = 10 m from its equilibrium position. The spring constant k = 1 N m^-1 and assume that the surface is frictionless.
(a) When the mass crosses the equilibrium position, what is the speed of the mass?
(b) What is the force that acts on the object when the mass crosses the equilibrium position and extreme position x = ± 10m?
5)
A lighter particle moving with a speed of 10 ms^-1 collides with an object of double its mass moving in the same direction with half its speed. Assume that the collision is a one dimensional elastic collision. What will be the speed of both particles after the collision?

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Two objects of masses 2 kg and 4 kg are moving with the same momentum of 20 kg m s^-1.
(a) Will they have same kinetic energy?
(b) Will they have same speed?
2)
Let the two springs A and B be such that k_A > k_B, On which spring will more work has to be done if they are stretched by the same force?
3)
A body of mass m is attached to the spring which is elongated to 25 cm by an applied force from its equilibrium position.
(a) Calculate the potential energy stored in the spring-mass system?
(b) What is the work done by the spring force in this elongation?
(c) Suppose the spring is compressed to the same 25 cm, calculate the potential energy stored and also the work done by the spring force during compression. (The spring constant, k= 0.1 N m^-1).
4)
A body of mass 100 kg is lifted to a height 10 m from the ground in two different ways as shown in the figure. What is the work done by the gravity in both the cases? Why is it easier to take the object through a ramp?
5)
A vehicle of mass 1250 kg is driven with an acceleration 0.2 along a straight level road against an external resistive force 500 N. Calculate the power delivered by the vehicle's engine if the velocity of the vehicle is 30 ms^-1.

11th Standard English Medium Physics Subject Laws of Motion Book Back 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Explain the concept of inertia. Write two examples each for inertia of motion, inertia of rest and inertia of direction.
2)
Define one newton.
3)
Using free body diagram, show that it is easy to pull an object than to push it.
4)
What is the meaning by 'pseudo force'?
5)
State Newton's third law.

11th Standard English Medium Physics Subject Laws of Motion Book Back 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Under what condition will a car skid on a leveled circular road?
2)
Identify the forces acting on blocks A, B and C shown in the figure
3)
Apply Newton's second law to a mango hanging from a tree. (Mass of the mango is 400 gm).
4)
Consider a horse attached to the cart which is initially at rest. If the horse starts walking forward, the cart also accelerates in the forward direction. If the horse pulls the cart with force F_h in forward direction, then according to Newton's third law, the cart also pulls the horse by equivalent opposite force F_c = F_h in backward direction. Then total force on 'cart+horse' is zero. Why is it then the 'cart+horse' accelerates and moves forward?
5)
A block of mass m is pushed momentarily along a horizontal surface with an initial velocity u. If u_k is the coefficient of kinetic friction between the object and surface, find the time at which the block comes to rest.

11th Standard English Medium Physics Subject Kinematics Book Back 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A train was moving at the rate of 54 km h^-1 when brakes were applied. It came to rest within a distance of 225 m. Calculate the retardation produced in the train.
2)
Suppose two cars A and B are moving with uniform velocities with respect to ground along parallel tracks and in the same direction. Let the velocities of A and B be 35 km h^-1 due east and 40 km h^-1 due east respectively. What is the relative velocity of car B with respect to A?
3)
Consider two trains A and B moving along parallel tracks with the same velocity in the same direction. Let the velocity of each train be 50 km h^-1 due east. Calculate the relative velocities of the trains.
4)
A swimmer's speed in the direction of flow of a river is 12 km h^-1. Against the direction of flow of the river the swimmer's speed is 6 km h^-1. Calculate the swimmer's speed in still water and the velocity of the river flow.
5)
The position vector for a particle is represented be \(\vec r=3t^2\hat i+5t\hat j+6\hat k\), find tht velocity and speed of the particle at t = 3 sec?

11th Standard English Medium Physics Subject Kinematics Book Back 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Define displacement and distance.
2)
Define acceleration.
3)
Define a radian?
4)
What is non uniform circular motion?
5)
Write down the expression for angle made by resultant acceleration and radius vector in the non uniform circular motion.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 3 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A physical quantity Q is found to depend on quantities x, y, z obeying relation Q \(={{x^2y^3}\over{z^1}}.\) The percentage errors in x, y and z are 2%, 3% and 1% respectively. Find the percentage error in Q.
2)
Calculate the number of times a human heart beats in the life of 100 years old man. Time of one heart beat = 0.8s.
3)
Check the correctness of the following equation using dimensional analysis. Make a comment on it. S = ut + 1/4at² where s is the displacement, u is the initial velocity, t is the time and a is the acceleration produced.
4)
The velocity of a body is given by the equation v = b/t + ct² + dt³. Find the dimensional formula for b.
5)
The voltage across a wire is (100 ± 5)V and the current passing through it is (10 ± 0.2) A. Find the resistance of the wire.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 3 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Write the rules for determining significant figures.
2)
Define precision and accuracy. Explain with one example.
3)
Find the dimensions of a and b in the formula \(\left[ P+{{a\over V^2}} \right][V-b]=RT\) where P is pressure and V is the volume of the gas
4)
Find the dimensions of mass in terms of Energy, length and time
5)
The mass and volume of a body are found to be 4\(\pm\)0.03 kg and 5\(\pm\)0.01 m³ respectively. Then find the maximum possible percentage error in density.

11th Standard English Medium Physics Subject Waves Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Write down the factors affecting velocity of sound in gases.
2)
The speed of a wave in a certain medium is 900 m/s. If 3000 waves passes over a certain point of the medium in 2 minutes, then compute its wavelength?
3)
Why is it that transverse waves cannot be produced in a gas? Can the transverse waves can be produced insolids and liquids?
4)
A sound source and listener are both stationary and a strong wind is blowing. Is there a Doppler effect?
5)
How do animals sense impending danger of hurricane?

11th Standard English Medium Physics Subject Waves Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
What is meant by waves?.
2)
What are transverse waves? Give one example.
3)
Define wavelength.
4)
What is meant by interference of waves?.
5)
Define intensity of sound and loudness of sound.

11th Standard English Medium Physics Subject Oscillations Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Which of the following functions of time represent periodic and non-periodic motion?
a. sin ωt + cos ωt
b. ln ωt
2)
What is meant by periodic and nonperiodic motion? Give any two examples, for each motion.
3)
Define time period of simple harmonic motion.
4)
What is an epoch?.

11th Standard English Medium Physics Subject Oscillations Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
State the laws of simple pendulum?
2)
What is meant by free oscillation?
3)
Define forced oscillation. Give an example.
4)
Explain resonance. Give an example.
5)
Consider a simple pendulum of length l = 0.9 m which is properly placed on a trolley rolling down on a inclined plane which is at θ = 45° with the horizontal. Assuming that the inclined plane is frictionless, calculate the time period of oscillation of the simple pendulum.

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Define mean free path and write down its expression.
2)
Deduce Boyle’s law based on kinetic theory.
3)
List the factors affecting the mean free path.
4)
A fresh air is composed of nitrogen N₂(78%) and oxygen O₂(21%). Find the rms speed of N₂ and O₂ at 20°C.
5)
Calculate the temperature at which the rms velocity of a gas triples its value at S.T.P. (Standard temperature T₁ = 273K).

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Why moon has no atmosphere?
2)
What is the relation between the average kinetic energy and pressure?
3)
State the law of equipartition of energy.
4)
Deduce Charles’ law based on kinetic theory.
5)
Deduce Avogadro’s law based on kinetic theory.

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
What are intensive and extensive variables? Give examples.
2)
Define the internal energy of the system.
3)
Define one calorie.
4)
State the first law of thermodynamics.
5)
Give the sign convention for Q and W.

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
An insulated container of gas has two chambers separated by an insulating partition. One of the chambers has volume V₁ and contains ideal gas at pressure P₁ and temperature T₁. The other chamber has volume V₂ and contains ideal gas at pressure P₂ and temperature T₂. If the partition is removed without doing any work on the gases, calculate the final equilibrium temperature of the container.
2)
Draw the TP diagram (P-x axis, T-y axis), VT(T-x axis, V-y axis) diagram for
a. Isochoric process
b. Isothermal process
c. isobaric process
3)
Normal human body of the temperature is 98.6°F. During high fever if the temperature increases to 104°F, what is the change in peak wavelength that emitted by our body? (Assume human body is a black body)
4)
In a petrol engine, (internal combustion engine) air at atmospheric pressure and temperature of 20°C is compressed in the cylinder by the piston to 1/8 of its original volume. Calculate the temperature of the compressed air. (For air \(\gamma \) = 1.4)
5)
An ideal gas is taken in a cyclic process as shown in the figure. Calculate
(a) work done by the gas.
(b) work done on the gas
(c) Net work done in the process

11th Standard English Medium Physics Subject Properties of Matter Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A metallic cube of side 100 cm is subjected to a uniform force acting normal to the whole surface of the cube. The pressure is 10⁶ pascal. If the volume changes by 1.5\(\times\)10^-5 m³, calculate the bulk modulus of the material.
2)
A wire of length 2 m with the area of crosssection 10^-6m² is used to suspend a load of 980 N. Calculate
i) the stress developed in the wire
ii) the strain and
iii) the energy stored. Given: Y = 12 \(\times\) 10¹⁰N m⁻².
3)
State Hooke’s law of elasticity.
4)
Explain elasticity using intermolecular forces.
5)
A spring balance shows wrong readings after using for a long time. Why?

11th Standard English Medium Physics Subject Properties of Matter Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A cylinder of length 1.5 m and diameter 4 cm is fixed at one end. A tangential force of 4\(\times\)10⁵ N is applied at the other end. If the rigidity modulus of the cylinder is 6\(\times\)10¹⁰ N m^-2 then, calculate the twist produced in the cylinder.
2)
A block of Ag of mass x kg hanging from a string is immersed in a liquid of relative density 0.72. If the relative density of Ag is 10 and tension in the string is 37.12 N then compute the mass of Ag block.
3)
Why coffee runs up into a sugar lump (a small cube of sugar) when one corner of the sugar lump is held in the liquid?
4)
We can cut vegetables easily with a sharp knife as compared to a blunt knife. Why?
5)
We use straw to suck soft drinks, why?

11th Standard English Medium Physics Subject Gravitation Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
State Newton’s Universal law of gravitation.
2)
Define the gravitational field. Give its unit.
3)
Define gravitational potential energy.
4)
Define gravitational potential.
5)
What is meant by escape speed in the case of the Earth?

11th Standard English Medium Physics Subject Gravitation Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Is potential energy the property of a single object? Justify.
2)
What is the difference between gravitational potential and gravitational potential energy?
3)
Why is the energy of a satellite (or any other planet) negative?
4)
Define weight.
5)
How will you prove that Earth itself is spinning?

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Give an example to show that the following statement is false. 'any two forces acting on a body can be combined into single force that would have same effect'.
2)
Write the relation between angular momentum and rotational kinetic energy. Draw a graph for the same. For two objects of same angular momentum, compare the moment of inertia using the graph.
3)
A force of \((4\hat{i}-3\hat{j}+5\hat{k})\) N is applied at a point whose position vector is \((7\hat{i}+4\hat{j}-2\hat{k})\) m. Find the torque of force about the origin.
4)
A solid sphere of mass 20 kg and radius 0.25 m rotates about an axis passing through the center. What is the angular momentum if the angular velocity is 5 rad s^-1.
5)
Can a body in translatory motion have angular momentum? Explain.

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Why does a porter bend forward while carrying a sack of rice on his back?
2)
Two identical water bottles one empty and the other filled with water are allowed to roll down an inclined plane. Which one of them reaches the bottom first? Explain your answer.
3)
A rectangle block rests on a horizontal table. A horizontal force is applied on the block at a height h above the table to move the block. Does the line of action of the normal force N exerted by the table on the block depend on h?
4)
Three identical solid spheres move down through three inclined planes A, B and C all same dimensions. A is without friction, B is undergoing pure rolling and C is rolling with slipping. Compare the kinetic energies E_AE_B and E_cat the bottom.
5)
An electron of mass 9\(\times\)10^-31 kg revolves around a nucleus in a circular orbit of radius 0.53 \(\overset { 0}{ A } \). What is the angular momentum of the electron? (Velocity of electron is, v = 2.2 \(\times\)10⁶ ms^-1)

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Write the differences between conservative and Non-conservative forces. Give two examples each.
2)
A bullet of mass 20 g strikes a pendulum of mass 5 kg. The centre of mass of pendulum rises a vertical distance of 10 cm. If the bullet gets embedded into the pendulum, calculate its initial speed?
3)
A charged particle moves towards another charged particle. Under what conditions the total momentum and the total energy of the system conserved?
4)
A variable force F = kx² acts on a particle which is initially at rest. Calculate the work done by the force during the displacement of the particle from x = 0 m to x = 4 m. (Assume the constant k = 1 N m^-2)
5)
A bullet of mass 50 g is fired from below into a suspended object of mass 450 g. The object rises through a height of 1.8 m with bullet remaining inside the object. Find the speed of the bullet. Take g = 10 ms^-2.

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Write the various types of potential energy. Explain the formulae.
2)
Explain the characteristics of elastic and inelastic collision.
3)
Calculate the work done by a force of 30 N in lifting a load of 2kg to a height of 10m (g = 10ms^-2).
4)
A bullet of mass 20 g strikes a pendulum of mass 5 kg. The centre of mass of pendulum rises a vertical distance of 10 cm. If the bullet gets embedded into the pendulum, calculate its initial speed?
5)
Which is conserved in inelastic collision? Total energy (or) Kinetic energy?

11th Standard English Medium Physics Subject Laws of Motion Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
If two objects of masses 2.5 kg and 100 kg experience the same force 5 N, what is the acceleration experienced by each of them?
2)
The velocity of a particle moving in a plane is given by the following diagram. Find out the direction of force acting on the particle?
3)
The position of the particle is represented by y = ut - \(\frac { 1 }{ 2 } \) gt²
(a) What is the force acting on the particle?
(b) What is the momentum of the particle?
4)
A wooden box is lying on an inclined plane. What is the coefficient of friction if the box starts sliding when the angle of inclination is 45°.
5)
The coefficient of friction between a block and plane is \(\frac { 1 }{ \sqrt { 3 } } \). If the inclination of the plane gradually increases, at what angle will the object begin to slide?

11th Standard English Medium Physics Subject Laws of Motion Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Can a single isolated force exist in nature? Explain your answer
2)
When walking on ice one should take short steps. Why?
3)
Can the coefficient of friction be more than one?
4)
The momentum of a system of particles is always conserved. True or false?
5)
A spider of mass 50 g is hanging on a string of a cob web. What is the tension in the string?

11th Standard English Medium Physics Subject Kinematics Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Determine the value of the T from the given vector equation \(5\hat j-T\hat j=6\hat j+3T\hat j\)
2)
Find the derivative with respect to t, of the function x = A_o + A₁t + A₂t² where A₀, A₁and A₂ are constants.
3)
An object is thrown vertically downward. What is the acceleration experienced by the object?
4)
A train 100 m long is moving with a speed of 60 km h^-1. In how many seconds will it cross a bridge of 1 km long?
5)
Is it possible to measure the depth of a well using kinematic equations?

11th Standard English Medium Physics Subject Kinematics Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Define a vector. Give examples.
2)
Write a short note on the scalar product between two vectors.
3)
The position vectors particle has length 1m and makes 30° with the x-axis. What are the lengths of the x and y components of the position vector?
4)
Calculate the average velocity of the particle whose position vector changes from \(\overrightarrow { { r }_{ 1 } } =5\hat { i } +6\hat { j } \) to \(\overrightarrow { { r }_{ 2 } } =2\hat { i } +3\hat { j } \) in a time 5 second.
5)
What are the resultants of the vector product of two given vectors given by \(\overrightarrow { A } =4\hat { i } -2\hat { j } +\hat { k } \ and \ \overrightarrow { B } =5\hat { i } +3\hat { j } -4\hat { k } \)

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 2 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
State the number of significant figures in the following 0.007
2)
State the number of significant figures in the following 2.65 \(\times\)10²⁴m
3)
Round off the following numbers as indicated 18.35 up to 3 digits
4)
Round off the following numbers as indicated 101.55 \(\times\) 10⁶ up to 4 digits
5)
Round off the following numbers as indicated 12.653 up to 3 digits.

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 2 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
The radius of the circle is 3.12 m. Calculate the area of the circle with regard to significant figures.
2)
The measurement value of length of a simple pendulum is 20cm known with 2mm accuracy. The time for 50 oscillations was measured to be 40 s within is resolution. Calculate the percentage accuracy in the determination of acceleration due to gravity 'g' from the above measurement.
3)
Show that a screw gauge of pitch 1mm and 100 divisions is more precise than a vernier caliper with 20 divisions on the sliding scale.
4)
Having all units in atomic standards is more useful. Explain.
5)
From a point on the ground, the top of a tree is seen to have an angle of elevation 60^o . The distance between the tree and a point is 50m. calculate the height of the tree?

11th Standard English Medium Physics Subject Waves Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
For a particular tube, among six harmonic frequencies below 1000 Hz, only four harmonic frequencies are given: 300 Hz, 600 Hz, 750 Hz and 900 Hz. What are the two other frequencies missing from this list?
2)
Compare the velocities of the wave forms given below, and choose the correct option.

where, v_A, v_B, v_C and v_D are velocities given in (A), (B), (C) and (D), respectively.
3)
A person standing between two parallel hills fires a gun and hears the first echo after t₁ sec and the second echo after t₂ sec. The distance between the two hills is
4)
The displacement y of a wave travelling in the x direction is given by y = (2\(\times\)10 ^-3) sin (300t - 2x + \(\frac{\pi}{4}\)), where x and y are measured in metres and t in second. The speed of the wave is
5)
Which of the following represents a wave

11th Standard English Medium Physics Subject Waves Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
For a particular tube, among six harmonic frequencies below 1000 Hz, only four harmonic frequencies are given: 300 Hz, 600 Hz, 750 Hz and 900 Hz. What are the two other frequencies missing from this list?
2)
A person standing between two parallel hills fires a gun and hears the first echo after t₁ sec and the second echo after t₂ sec. The distance between the two hills is
3)
The displacement y of a wave travelling in the x direction is given by y = (2\(\times\)10 ^-3) sin (300t - 2x + \(\frac{\pi}{4}\)), where x and y are measured in metres and t in second. The speed of the wave is
4)
Which of the following represents a wave
5)
Let y = \(\frac{1}{1+x^2}\) at t = 0 s be the amplitude of the wave propagating in the positive x-direction. At t = 2 s, the amplitude of the wave propagating becomes \(y=\frac{1}{1+(x-2)^{2}}. \) Assume that the shape of the wave does not change during propagation. The velocity of the wave is

11th Standard English Medium Physics Subject Oscillations Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
In a simple harmonic oscillation, the acceleration against displacement for one complete oscillation will be
2)
The length of a second’s pendulum on the surface of the Earth is 0.9 m. The length of the same pendulum on surface of planet X such that the acceleration of the planet X is n times greater than the Earth is
3)
Two bodies A and B whose masses are in the ratio 1:2 are suspended from two separate massless springs of force constants k_A and k_B respectively. If the two bodies oscillate vertically such that their maximum velocities are in the ratio 1:2, the ratio of the amplitude A to that of B is
4)
An ideal spring of spring constant k, is suspended from the ceiling of a room and a block of mass M is fastened to its lower end. If the block is released when the spring is un-stretched, then the maximum extension in the spring is
5)
A hollow sphere is filled with water. It is hung by a long thread. As the water flows out of a hole at the bottom, the period of oscillation will

11th Standard English Medium Physics Subject Oscillations Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A spring is connected to a mass m suspended from it and its time period for vertical oscillation is T. The spring is now cut into two equal halves and the same mass is suspended from one of the halves. The period of vertical oscillation is
2)
An ideal spring of spring constant k, is suspended from the ceiling of a room and a block of mass M is fastened to its lower end. If the block is released when the spring is un-stretched, then the maximum extension in the spring is
3)
A hollow sphere is filled with water. It is hung by a long thread. As the water flows out of a hole at the bottom, the period of oscillation will
4)
When a damped harmonic oscillator completes 100 oscillations, its amplitude is reduced to \(\frac{1}{3}\) of its initial value. What will be its amplitude when it completes 200 oscillations?
5)
A mass of 3 kg is attached at the end of a spring moves with simple harmonic motion on a horizontal frictionless table with time period 2π and with amplitude of 2m, then the maximum fore exerted on the spring is

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A sample of ideal gas is at equilibrium. Which of the following quantity is zero?
2)
Two identically sized rooms A and B are connected by an open door. If the room A is air conditioned such that its temperature is 4°C lesser than room B, which room has more air in it?
3)
The average translational kinetic energy of gas molecules depends on
4)
If the internal energy of an ideal gas U and volume V are doubled then the pressure
5)
A container has one mole of monoatomic ideal gas. Each molecule has f degrees of freedom. What is the ratio of \(\gamma =\frac { { C }_{ p } }{ { C }_{ V } } \)

11th Standard English Medium Physics Subject Kinetic Theory of Gases Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
If the internal energy of an ideal gas U and volume V are doubled then the pressure
2)
A container has one mole of monoatomic ideal gas. Each molecule has f degrees of freedom. What is the ratio of \(\gamma =\frac { { C }_{ p } }{ { C }_{ V } } \)
3)
Which of the following shows the correct relationship between the pressure and density of an ideal gas at constant temperature?
4)
If s_P and s_V denote the specific heats of nitrogen gas per unit mass at constant pressure and constant volume respectively, then
5)
For a given gas molecule at a fixed temperature, the area under the Maxwell-Boltzmann distribution curve is equal to

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
The graph between volume and temperature in Charles’ law is
2)
An ideal gas passes from one equilibrium state (P₁, V₁, T₁, N) to another equilibrium state (2P₁, 3V₁, T₂, N). Then
3)
When food is cooked in a vessel by keeping the lid closed, after some time the steam pushes the lid outward. By considering the steam as a thermodynamic system, then in the cooking process
4)
A hot cup of coffee is kept on the table. After some time it attains a thermal equilibrium with the surroundings. By considering the air molecules in the room as a thermodynamic system, which of the following is true
5)
The V-T diagram of an ideal gas which goes through a reversible cycle A→B→C→D is shown below. (Processes D→A and B→C are adiabatic)

The corresponding PV diagram for the process is (all figures are schematic)

11th Standard English Medium Physics Subject Heat and Thermodynamics Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
When you exercise in the morning, by considering your body as thermodynamic system, which of the following is true?
2)
An ideal gas is taken from (P_i, V_i) to (P_f, V_f) in three different ways. Identify the process in which the work done on the gas the most.
3)
A distant star emits radiation with maximum intensity at 350 nm. The temperature of the star is
4)
In an isochoric process, we have
5)
An ideal refrigerator has a freezer at temperature −12°C. The coefficient of performance of the engine is 5. The temperature of the air (to which the heat ejected) is

11th Standard English Medium Physics Subject Properties of Matter Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Consider two wires X and Y. The radius of wire X is 3 times the radius of Y. If they are stretched by the same load then the stress on Y is
2)
The load – elongation graph of three wires of the same material are shown in figure. Which of the following wire is the thickest?
3)
A small sphere of radius 2cm falls from rest in a viscous liquid. Heat is produced due to viscous force. The rate of production of heat when the sphere attains its terminal velocity is proportional to
4)
With an increase in temperature, the viscosity of liquid and gas, respectively will
5)
Which of the following is not a scalar?

11th Standard English Medium Physics Subject Properties of Matter Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
With an increase in temperature, the viscosity of liquid and gas, respectively will
2)
Which of the following is not a scalar?
3)
Copper of fixed volume V is drawn into a wire of length l. When this wire is subjected to a constant force F, the extension produced in the wire is Δl. If Y represents the Young’s modulus, then which of the following graphs is a straight line?
4)
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied?
5)
In a horizontal pipe of non-uniform cross section, water flows with a velocity of 1 ms^-1 at a point where the diameter of the pipe is 20 cm. The velocity of water (1.5 m s^-1) at a point where the diameter of the pipe is (in cm)

11th Standard English Medium Physics Subject Gravitation Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
The linear momentum and position vector of the planet is perpendicular to each other at
2)
A planet moving along an elliptical orbit is closest to the Sun at distance r₁ and farthest away at a distance of r₂. If v₁ and v₂ are linear speeds at these points respectively. Then the ratio \({v_1\over v_2}\) is
3)
If the distance between the Earth and Sun were to be doubled from its present value, the number of days in a year would be
4)
The gravitational potential energy of the Moon with respect to Earth is
5)
The work done by the Sun’s gravitational force on the Earth is

11th Standard English Medium Physics Subject Gravitation Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
According to Kepler’s second law, the radial vector to a planet from the Sun sweeps out equal areas in equal intervals of time. This law is a consequence of
2)
The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are K_A, K_B and K_C respectively. AC is the major axis and SB is perpendicular to AC at the position of the Sun S as shown in the figure. Then
3)
If the mass and radius of the Earth are both doubled, then the acceleration due to gravity g'
4)
If a person moves from Chennai to Trichy, his weight
5)
If the acceleration due to gravity becomes 4 times its original value, then escape speed

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
The center of mass of a system of particles does not depend upon,
2)
A particle is moving with a constant velocity along a line parallel to positive X-axis. The magnitude of its angular momentum with respect to the origin is
3)
A closed cylindrical container is partially filled with water. As the container rotates in a horizontal plane about a perpendicular bisector, its moment of inertia
4)
A particle undergoes uniform circular motion. The angular momentum of the particle remain conserved about,
5)
From a disc of radius R a mass M, a circular hole of diameter R, whose rim passes through the center is cut. What is the moment of inertia of the remaining part of the disc about a perpendicular axis passing through it

11th Standard English Medium Physics Subject Motion of System of Particles and Rigid Bodies Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A rigid body rotates with an angular momentum L. If its kinetic energy is halved, the angular momentum becomes,
2)
A disc of the moment of inertia I_a is rotating in a horizontal plane about its symmetry axis with a constant angular speed \(\omega\). Another disc initially at rest of moment of inertia I_b is dropped coaxially on to the rotating disc. Then, both the discs rotate with the same constant angular speed. The loss of kinetic energy due to friction in this process is,
3)
The ratio of the acceleration for a solid sphere (mass m and radius R) rolling down an incline of angle \(\theta\) without slipping and slipping down the incline without rolling is,
4)
The speed of the center of a wheel rolling on a horizontal surface is v_o. A point on the rim in level with the center will be moving at a speed of,
5)
When a mass is rotating in a plane about a fixed point, its angular momentum is directed along

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
A ball of mass 1 kg and another of mass 2 kg are dropped from a tall building whose height is 80 m. After, a fall of 40 m each towards Earth, their respective kinetic energies will be in the ratio of
2)
A body of mass 4 m is lying in xy-plane at rest. It suddenly explodes into three pieces. Two pieces each of mass m move perpendicular to each other with equal speed v. The total kinetic energy generated due to explosion is
3)
What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that it can complete the loop?
4)
If the linear momentum of the object is increased by 0.1% then the kinetic energy is Increased by
5)
A wind-powered generator converts wind energy into electric energy. Assume that the generator converts a fixed fraction of the wind energy intercepted by its blades into electrical energy. For wind speed v, the electrical power output will be proportional to

11th Standard English Medium Physics Subject Work, Energy and Power Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
The work done by the conservative force for a closed path is
2)
If the potential energy of the particle is \(\alpha -\frac { \beta }{ 2 } { x }^{ 2 }\), then force experienced by the particle is
3)
A particle is placed at the origin and a force F = kx is acting on it (where k is a positive constant). If U (0) = 0, the graph of U(x) versus x will be (where U, is the potential , energy function)
4)
A spring of force constant k is cut into two pieces such that one piece is double the length of the other. Then, the long piece will have a force constant of
5)
Two equal masses m₁ and m₂ moving along the same straight line with velocities +3 m/s and -5 m/s respectively collide elastically. Their velocities after the collision will be respectively _______________.

11th Standard English Medium Physics Subject Laws of Motion Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)

An object of mass m held against a vertical wall by applying horizontal force F as shown in the figure.The minimum value of the force F is
2)
A book is at rest on the table which exerts a normal force on the book. If this force is considered as reaction force, what is the action force according to Newton's third law?
3)
Choose appropriate free body diagram for the particle experiencing net acceleration along negative y direction. (Each arrow mark represents the force acting on the system).
4)
Two blocks of masses m and 2m are placed on a smooth horizontal surface as shown. In the first case only a force F₁ is applied from the left. Later only a force F₂ is applied from the right. If the force acting at the interface of the two blocks in the two cases is same, then F₁ :F₂ is
5)
An object of mass m begins to move on the plane inclined at an angle θ. The coefficient of static friction of inclined surface is μ_s. The maximum static friction experienced by the mass is

11th Standard English Medium Physics Subject Laws of Motion Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Choose appropriate free body diagram for the particle experiencing net acceleration along negative y direction. (Each arrow mark represents the force acting on the system).
2)
Two blocks of masses m and 2m are placed on a smooth horizontal surface as shown. In the first case only a force F₁ is applied from the left. Later only a force F₂ is applied from the right. If the force acting at the interface of the two blocks in the two cases is same, then F₁ :F₂ is
3)
An object of mass m begins to move on the plane inclined at an angle θ. The coefficient of static friction of inclined surface is μ_s. The maximum static friction experienced by the mass is
4)
When an object is at rest on the inclined rough surface ____________.
5)
Choose the correct statement from the following

11th Standard English Medium Physics Subject Kinematics Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 07, 2021 - View & Read

1)
Identify the unit vector in the following?
2)
Two objects of masses m₁ and m₂ fall from the heights h₁ and h₂ respectively. The ratio of the magnitude of their momenta when they hit the ground is
3)
If the velocity is \(\overrightarrow { v } =2\hat { i } +{ t }^{ 2 }\hat { j } -9\overrightarrow { k } \), then the magnitude of acceleration at t = 0.5s is
4)
A ball is projected vertically upwards with a velocity v. It comes back to ground in time t. Which v-t graph shows the motion correctly?
5)
A ball is dropped from some height towards the ground. Which one of the following represents the correct motion of the ball?

11th Standard English Medium Physics Subject Kinematics Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 05, 2021 - View & Read

1)
If a particle has negative velocity and negative acceleration, its speed
2)
If an object is dropped from the top of a building and it reaches the ground at t = 4 s, then the height of the building is (ignoring air resistance) (g = 9.8 ms^-2)
3)
If one object is dropped vertically downward and another object is thrown horizontally from the same height, then the ratio of vertical distance covered by both objects at any instant t is
4)
If a particle executes uniform circular motion in the xy plane in clock wise direction, then the angular velocity is in
5)
If an object is thrown vertically up with the initial speed u from the ground, then the time taken by the object to return back to ground is

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 1 Mark Questions with Solution Part - II - by Question Bank Software - Jun 05, 2021 - View & Read

1)
If the error in the measurement of radius is 2%, then the error in the determination of volume of the sphere will be
2)
The length of a body is measured as 3.51 m, if the accuracy is 0.01 mm, then the percentage error in the measurement is
3)
If \(\pi=3.14,\) then the value of \({\pi}^{2}\) is
4)
The dimensional formula of Planck's constant h is
5)
The dimensional formula for gravitational constant G is

11th Standard English Medium Physics Subject Nature of Physical World and Measurement Book Back 1 Mark Questions with Solution Part - I - by Question Bank Software - Jun 05, 2021 - View & Read

1)
Which of the following pairs of physical quantities have same dimension?
2)
The velocity of a particle v at an instant t is given by v = at + br². The dimensions of b is
3)
The density of a material in CGS system of units is 4 g cm^-3. In a system of units in which unit of length is 10 cm and unit of mass is 100 g, then the value of density of material will be
4)
The dimension of \({\left( {\mu}_{0}{\epsilon}_{0} \right)}^{{{1}\over{2}}}\) is
5)
A length-scale (I) depends on the permittivity (e) of a dielectric material, Boltzmann constant (kB), the absolute temperature (T), the number per unit volume (n) of certain charged particles, and the charge (q) carried by each of the particles. Which of the following expression for I is dimensionally correct?

12th Standard stateboard question papers & Study material

தமிழ் Subjects

Biology

Computer Applications

Computer Science

Business Maths and Statistics

Commerce

Economics

Maths

Chemistry

Physics

Computer Technology

History

Accountancy

Tamil

English Subjects

Maths

Chemistry

Physics

Biology

Computer Science

Business Maths and Statistics

Economics

Commerce

Accountancy

History

Computer Applications

Computer Technology

English

11th Standard stateboard question papers & Study material

தமிழ் Subjects

Maths

Biology

உயிரியல் - தாவரவியல்

Economics

Physics

Chemistry

History

Business Maths and Statistics

Computer Science

Accountancy

Commerce

Computer Applications

Computer Technology

Tamil

English Subjects

Maths

Commerce

Economics

Biology

Business Maths and Statistics

Accountancy

Computer Science

Physics

Chemistry

Computer Applications

History

Computer Technology

Tamil

English

9th Standard stateboard question papers & Study material

தமிழ் Subjects

English Subjects

Maths

Science

Social Science

Maths

Science

Social Science

6th Standard stateboard question papers & Study material

தமிழ் Subjects

Maths

Science

Social Science

English Subjects

Maths

Science

Social Science

10th Standard stateboard question papers & Study material

தமிழ் Subjects