Home
Class 12
PHYSICS
In a plane electromagnetic wave, the ele...

In a plane electromagnetic wave, the electric field of amplitude 1 V `m^(-1)` varies with time in free space. The average energy density of magnetic field is (in `Jm^(-2)`)

A

a. `8.86xx10^(-12)`

B

b. `4.43xx10^(-12)`

C

c. `17.72xx10^(-12`

D

d. `2.21xx10^(-12)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    NEW JOYTHI PUBLICATION|Exercise PREVIOUS YEAR QUESTIONS|2 Videos

  • ELECTROMAGNETIC INDUCTION

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|13 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NEW JOYTHI PUBLICATION|Exercise Competitive Exam Corner|22 Videos

Similar Questions

Explore conceptually related problems

The electric field of a plane electromagnetic wave varies with time of amplitude 2 Vm^(-1) propagating along z - axis. The average energy density of the magnetic field is (in Jm^(-3) )

Can an electromagnetic wave be deflected by an electric field? By a magnetic field ?

In a plane Electromagnetic wave the electric field oscillates sinusoidally at a frequency of 2.0 X 10^(10) Hz & amplitude 48 Vm^(-1) . show that the average energy density of the electric field (vec(E )) , is equal to average energy density of the magnetic field (vec(B))

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2.0 xx 10^(10)Hz .What is the wave length of the wave?

In a plane electromagnetic wave, the electric field oscillates sin usoidally at a frequency of 2.0xx10^(10) Hz and amplitude 48 V m^(-1) . a. What is the wavelength of the wave ? b. What is the amplitude of the oscillating magnetic field ? c. Show that the average energy density of the E field equals the average energy density of the B field. [c=3xx10^(8)ms^(-1)] .

The electromagnetic waves are ____ by electric and magnetic fields.

In an electromagnetic wave in free space the rms value of the electric field is 3V m^(-1) . The peak value of the magnetic field is

Consider the following two statements regarding a linearly polarized, plane electromagnetic wave: The electric field and the magnetic field have equal average values. The electric energy and the magnetic energy have equal average values.