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

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

A

`2.7xx10^(-7)T`

B

`1.6xx10^(-7)T`

C

`1.6xx10^(-8)T`

D

`2.7xx10^(-8)T`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC WAVES

    RESONANCE ENGLISH|Exercise Exercise 3|27 Videos
  • ELECTRO MAGNETIC WAVES

    RESONANCE ENGLISH|Exercise Exercise|46 Videos
  • DAILY PRACTICE PROBLEM

    RESONANCE ENGLISH|Exercise DPP.No.71|1 Videos
  • ELECTRODYNAMICS

    RESONANCE ENGLISH|Exercise Advanced level problems|31 Videos

Similar Questions

Explore conceptually related problems

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2xx10^(10)Hz and amplitude 48V//m . The wavelength of the wave will be-

In an electromagnetic wave show that the average energy density of E field equals the average energy density of the B field.

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2.0xx10^10 Hz and amplitude 48Vm^(-1) . The total energy density of the electromagnetic field of the wave is :

In a place e.m wave, the electric field oscillates sinusoidally at a frequency of 2.5xx10^(10)Hz and amplitude 480 V//m .The amplitude of oscillating magnetic field will be,

In a plane electromagnetic wave the electric field osciliates sinusoidally with frequency 3X10^(5) Hz. Then wavelenght of the wave in vaccuum is

Show that the avearge energy density of the electric field vecE equals the average energy density of the magnetic field vecB , in electromagnetic waves.

The rms value of the electric field of a plane electromagnetic wave is 314V/m. The average energy density of electric field and the average energy density are

In an electromagnetic wave, the electric field oscillates sinusoidally with amplitude 48 Vm^(-1) , the RMS value of oscillating magnetic field will be nearly equal to :

In a plane electromagnetic wave, magnetic field oscillates with amplitude 1.6 xx 10^(-11)T Find the maximum value of electric field.

In an electromagnetic wave, the amplitude of electri field is 1 V/m, What is (i) the amplitude of magnetic field? (ii) average energy density of electric field ? (iii) average energy density of magnetic field ? (iv) average energy density of wave ?