The dimension of \(\frac { 1 }{ { \mu }_{ 0 }{ \varepsilon }_{ 0 } } \) is _____.

If the amplitude of the magnetic field is 3 x 10⁻⁶ T, then amplitude of the electric field for a electromagnetic waves is _____.

Which of the following electromagnetic radiations is used for viewing objects through fog 

Assertion: Electromagnetic waves carries not only energy and momentum but also angular momentum.
Reason: Electromagnetic waves cannot be polarized.
Codes: 
(a) Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) Assertion and Reason are true but Reason is the false explanation of the Assertion.
(c) Assertion is true but Reason is false.
(d) Assertion is false but Reason is true.

Assertion: Microwaves do not obey reflection and polarization.
Reason: Gamma rays are used in radiotherapy for cancer treatment.
Codes: 
(a) Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) Assertion and Reason are true but Reason is the false explanation of the Assertion.
(c) Assertion is true but Reason is false.
(d) Assertion is false but Reason is true.

(a) Radio waves
(b) Microwaves
(c) Visible Light waves
(d) Ultrasonic waves

(a) Interference  
(b) Polarisation
(c) Diffraction
(d) Photoelectric effect

a. Ampere - maxwell's law  \(\oint { \overrightarrow { B } .\overrightarrow { dl } } \)
b. Faraday's law \(\oint { \overrightarrow { E } .\overrightarrow { dl } } \)
c. Gauss's law \(\oint { \overrightarrow { E } .\overrightarrow { dA } } \)
d. Ohm's law \(\oint { \overrightarrow { B } .\overrightarrow { dA } } \)
Which one is incorrect pair?

(I) : Electromagnetic wave is a mechanical wave.
(II) : The energy crossing per unit area per unit time and perpendicular to the direction of propagation of electromagnetic wave is called intensity.
Which one is correct?
(a) I only
(b) II only
(c) both are correct
(d) None

Write down the integral form of modified Ampere’s circuital law.

Explain the concept of intensity of electromagnetic waves.

(i) In which situation is there a displacement current but no conduction current?
(ii) Find the displacement current across the plate of the capacitor whose charging current is 0.25 A.

Arrange the Electromagnetic waves in order of
(i) increasing frequency
(ii) decreasing wavelength.

Draw a diagram depicting oscillating electric and magnetic field of an electromagnetic wave.

What is the orgin of displacement currtent?

Discuss briefly the experiment conducted by Hertz to produce and detect electromagnetic spectrum.

Explain the Maxwell’s modification of Ampere’s circuital law.

Name the parts of Electromagnetic spectrum which is
(i) used to destroy becteria.
(ii) produced by where is a sudden deceleration of high speed electrons.
(iii) used in food industry.

Show how to generalize Ampere's circuital law to include the term due to displacement current?