An electromagnetic wave of intensity `50 Wn^-(2)` enters in a medium of refractive index \'n\'
Channel: Doubtnut
Date: 2020-01-03

An electromagnetic wave of intensity `50 Wn^-(2)` enters in a medium of refractive index \'n\' without any loss .The retio of the magnitudes of magnitudes of magnetic fields of the wave before and after entering into the medium are respectively ,given by: