Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>EXERCISE>Q 3

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If electric field is changing at rate of $6 \times 10^{6} V {ms}^{- 1}$ between the plates of a capacitor, having plate area $2.0 {cm}^{2}$ , then the displacement current is

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Important Questions on Electromagnetic Waves

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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>EXERCISE>Q 4

An electromagnetic wave is propagating in vacuum along z-axis, the electric field component is given by

E_{x} = E_{0} \sin (k z - ω t)

, then magnetic component is

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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>EXERCISE>Q 5

The dimensional formula of

μ_{0} ε_{0}

is

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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>EXERCISE>Q 6

An electromagnetic wave consists of oscillating electric and magnetic field vector. The phase difference between the two oscillating field is

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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>EXERCISE>Q 7

If

\vec{E}

and

\vec{B}

represent the electric and magnetic field vectors of the electromagnetic waves, then the direction of propagation of the electromagnetic waves is that of

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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 1

If in a region there is a time varying electric field then which of the following Maxwell's equation will be most suitable?

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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 2

Which of the following electromagnetic radiations is used for viewing through haze and fog?

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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 3

An electromagnetic wave travels in a medium with speed

2 \times 10^{8} m s^{- 1}

. If relative permeability of medium is

1.0

, then relative permittivity is

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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 4

Which physical quantity is same for

X -

rays and

γ

-

rays in vacuum?