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11th Standard - old Physics English Medium Chapters / Lessons 2022-2023


Nature of the Physical World and Measurement

Kinematics

Dynamics of Rotational Motion

Gravitation and Space Science

Mechanics of Solids and Fluids

Oscillations

Wave Motion

Heat and Thermodynamics

Ray Optics

Magnetism



11th Standard - old Physics English Medium Chapters / Lessons 2022-2023


Nature of the Physical World and Measurement
Kinematics
Dynamics of Rotational Motion
Gravitation and Space Science
Mechanics of Solids and Fluids
Oscillations
Wave Motion
Heat and Thermodynamics
Ray Optics
Magnetism

11th Standard - old Physics English Medium Chapters / Lessons 2022-2023 Syllabus

Nature of the Physical World and Measurement

Physics – scope and excitement – physics in relation to technology and society. Forces in nature – gravitational, electromagnetic and nuclear forces (qualitative ideas) Measurement – fundamental and derived units – length, mass and time measurements. Accuracy and precision of measuring instruments, errors in measurement – significant figures. Dimensions - dimensions of physical quantities - dimensional analysis – applications.

Kinematics

Motion in a straight line – position time graph – speed and velocity – uniform and non-uniform motion – uniformly accelerated motion – relations for uniformly accelerated motions. Scalar and vector quantities – addition and subtraction of vectors, unit vector, resolution of vectors - rectangular components, multiplication of vectors – scalar, vector products. Motion in two dimensions – projectile motion – types of projectile – horizontal and oblique projectile. Force and inertia, Newton’s first law of motion. Momentum – Newton’s second law of motion – unit of force – impulse. Newton’s third law of motion – law of conservation of linear momentum and its applications. Equilibrium of concurrent forces – triangle law, parallelogram law and Lami’s theorem – experimental proof. Uniform circular motion – angular velocity – angular acceleration – relation between linear and angular velocities. Centripetal force – motion in a vertical circle – bending of cyclist – vehicle on level circular road – vehicle on banked road. Work done by a constant force and a variable force – unit of work. Energy – Kinetic energy, work – energy theorem – potential energy – power. Collisions – Elastic and in-elastic collisions in one dimension.

Dynamics of Rotational Motion

Centre of a two particle system – generalization – applications – equilibrium of bodies, rigid body rotation and equations of rotational motion. Comparison of linear and rotational motions. Moment of inertia and its physical significance – radius of gyration – Theorems with proof, Moment of inertia of a thin straight rod, circular ring, disc cylinder and sphere. Moment of force, angular momentum. Torque – conservation of angular momentum.

Gravitation and Space Science

The universal law of gravitation; acceleration due to gravity and its variation with the altitude, latitude, depth and rotation of the Earth. – mass of the Earth. Inertial and gravitational mass. Gravitational field strength – gravitational potential – gravitational potential energy near the surface of the Earth – escape velocity – orbital velocity – weightlessness – motion of satellite – rocket propulsion – launching a satellite – orbits and energy. Geo stationary and polar satellites – applications – fuels used in rockets – Indian satellite programme. Solar system – Helio, Geo centric theory – Kepler’s laws of planetary motion. Sun – nine planets – asteroids – comets – meteors – meteroites – size of the planets – mass of the planet – temperature and atmosphere. Universe – stars – constellations – galaxies – Milky Way galaxy - origin of universe.

Mechanics of Solids and Fluids

States of matter- inter-atomic and inter-molecular forces. Solids – elastic behaviour, stress-strain relationship, Hooke’s law – experimental verification of Hooke’s law – three types of moduli of elasticity – applications (crane, bridge). Pressure due to a fluid column – Pascal’s law and its applications (hydraulic lift and hydraulic brakes) – effect of gravity on fluid pressure.
Surface energy and surface tension, angle of contact – application of surface tension in (i) formation of drops and bubbles (ii) capillary rise (iii) action of detergents. Viscosity – Stoke’s law – terminal velocity, streamline flow – turbulent flow – Reynold’s number – Bernoulli’s theorem – applications – lift on an aeroplane wing.

Oscillations

Periodic motion – period, frequency, displacement as a function of time. Simple harmonic motion – amplitude, frequency, phase – uniform circular motion as SHM. Oscillations of a spring, liquid column and simple pendulum – derivation of expression for time period – restoring force – force constant. Energy in SHM. kinetic and potential energies – law of conservation of energy. Free, forced and damped oscillations. Resonance.

Wave Motion

Wave motion- longitudinal and transverse waves – relation between v, n, λ.
Speed of wave motion in different media – Newton’s formula – Laplace’s correction. Progressive wave – displacement equation –characteristics. Superposition principle, Interference – intensity and sound level – beats, standing waves (mathematical treatment) – standing waves in strings and pipes – sonometer – resonance air column – fundamental mode and harmonics. Doppler effect (quantitative idea) – applications.

Heat and Thermodynamics

Kinetic theory of gases – postulates – pressure of a gas – kinetic energy and temperature – degrees of freedom (mono atomic, diatomic and triatomic) – law of equipartition of energy – Avogadro’s number.
Thermal equilibrium and temperature (zeroth law of thermodynamics) Heat, work and internal energy. Specific heat – specific heat capacity of gases at constant volume and pressure. Relation between Cp and Cv.
First law of thermodynamics – work done by thermodynamical system – Reversible and irreversible processes – isothermal and adiabatic processes – Carnot engine – refrigerator - efficiency – second law of thermodynamics
Transfer of heat – conduction, convection and radiation – Thermal conductivity of solids – black body radiation – Prevost’s theory – Kirchoff’s law – Wien’s displacement law, Stefan’s law (statements only). Newton’s law of cooling – solar constant and surface temperature of the Sunpyrheliometer.

Ray Optics

Reflection of light – reflection at plane and curved surfaces.
Total internal reflection and its applications – determination of velocity of light – Michelson’s method. Refraction – spherical lenses – thin lens formula, lens makers formula – magnification – power of a lens – combination of thin lenses in contact. Refraction of light through a prism – dispersion – spectrometer – determination of µ – rainbow.

Magnetism

Earth’s magnetic field and magnetic elements. Bar magnet - magnetic field lines Magnetic field due to magnetic dipole (bar magnet) along the axis and perpendicular to the axis. Torque on a magnetic dipole (bar magnet) in a uniform magnetic field. Tangent law – Deflection magnetometer - Tan A and Tan B positions. Magnetic properties of materials – Intensity of magnetisation, magnetic susceptibility, magnetic induction and permeability Dia, Para and Ferromagnetic substances with examples. Hysteresis.

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