A plane electromagnetic wave , has frequency of ` 2.0 xx 10^(10)` Hz and its energy density is `1.02 xx 10^(-8)J//m^(3)` in vacuum. The amplitude of the magnetic field of the wave is close to `((1)/( 4 pi epsi_0)=9xx 10^(9) (Nm^(2))/(C^(2)) and " speed of light "= 3 xx 10^(8) ms^(-1))` :

The speed of light in vacuum is 3 xx 10^8 ms^(-1)

A point source surrounded by vacuum emits an electromagnetic wave of frequency of 900 kHz. If the power emitted by the source is 15 W, the amplitude of the electric field of the wave (in x10^(-3) V/m) at a distance 15 km from the source is: find the value x?? "("(1)/(4pi in_(0))=9xx10^(9)(Nm^(2))/(C^(2)) and speed of light in vacuum =3xx10^(8)ms^(-1) )

A point source surrounded by vacuum emits an electromagnetic wave of frequency of 900 kHz. If the power emitted by the source is 15 W, the amplitude of the electric field of the wave (in x10^(-3) V/m) at a distance 15 km from the source is: find the value x?? "("(1)/(4pi in_(0))=9xx10^(9)(Nm^(2))/(C^(2)) and speed of light in vacuum =3xx10^(8)ms^(-1) )

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 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 plane electromagnetic wave of frequency 1.0 xx 10^(12) Hz, the amplitude of the magnetic field is 5.0 xx 10^(-6) T. (a) Calculate the amplitude of the electric field. (b) what is the total average energy density of the e.m. wave?

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2.0xx10^10 Hz and amplitude 48 V. m^(-1) . What is the amplitude of the oscillating magnetic field?