In a plane e.m. wave, the electric field oscillates sinusoidally at a frequecy of `2xx 10^(10)` Hz and amplitude `48 V m^(-1)`
Show that the average energy density of electric field `(vecE)` equal to the average energy density of the magnetic field `(vecB)`.

In a plane e.m. wave the electric field oscillates sinusoidally at a frequency of 2 xx10^10 Hz and amplitude 48 Vm^-1 Find wavelength of wave.

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2.0 xx 10^10 Hz and amplitude 48 V m^-1 . Show that the average energy density of the E field equals the average energy density of the B field, [c = 3 xx 10^8 m s^-1 .]

In a plane e.m. wave the electric field oscillates sinusoidally at a frequency of 2 xx10^10 Hz and amplitude 48 Vm^-1 . What is the magnitude of oscillating magnetic field?

In a plane e.m. wave, the magnetic field oscillates sinusodially with a frequency of 3xx 10^(10)Hz and amplitude 128 nT. What is the wavelength of the wave