An electromagnetic wave of intensity 50 Wm –2 enters in a medium of refractive index 'n' without any loss. The ratio of the magnitudes of electric fields, and the ratio of the magnitudes of magnetic field of the wave before and after entering into the medium are respectively, given by :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
In air 
In the medium of refractive index = n
It is possible if
E = 
and 
∴ 
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