Home
Class 12
PHYSICS
In an electromagnetic wave, the oscillat...

In an electromagnetic wave, the oscillating electric field having a frequency of `3xx10^(10)Hz` and an amplitude of 30 V/m propagates in the positive x-direction.
(a) What is the wavelength of the electromagnetic wave ?
(b) Write down the expression to represent the corresponding magnetic field.

Text Solution

Verified by Experts

The correct Answer is:
`10^(-2)` m
Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

In an electromagnetic wave, the oscillating electric field having a frequency of 3 xx 100^(10) Hz and an amplitude of 30 V/m propagates in the positive X-direction. (i) What is the wavelength of the electromagnetic wave? (ii) Write down the expression to represent the corresponding magnetic field.

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2.0xx10^(10)Hz and amplitude 48 V/m. What is the wavelength of the wave?

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2.0xx10^(10)Hz and amplitude 48 V/m. What is the amplitude of the oscillating magnetic field?

In an electromagnetic wave, electric field oscillates sinusoidaly at frequecny 2xx10^(10) Hz and amplitude 40Vm^(-1) . What is the wavelength of the wave and amplitude of the oscillating magnetic field?

A plane electromagnetic wave moving with a velocity 3xx10^(8)m//s has an electric field which oscillates sinusoidally with a frequency 2xx10^(10)Hz and amplitude 48 V/m. What is the amplitude of the oscillating magnetic field?

The electric field vector of a plane e.m. wave oscillates with frequency 2 xx 10^10 S^-1 and an amplitude of 40 Vm-1 . What is the wavelength?

The electric field vector of a plane e.m. wave oscillates with frequency 2 xx 10^10 S^-1 and an amplitude of 40 Vm-1 . What is the energy density due to electric field?

A plane EM wave moving with a velocity 3xx10^8m//s has an electric field which oscillates sinusoidally with a frequency 2xx10^(10) Hz and amplitude 48V//m . What is the amplitude of the oscillating magnetic field?

In a electromagnetic wave, electric field oscillates with amplitude 20Vm^(-1) . Calculate energy density of electric field.

Find the wavelength of electromagnetic wave of frequency 5xx10^(19) Hz in free space. Give its two applications.

Home
Profile