A Light wave is incident |Electromagnetic Waves|JEE-MAIN

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JEE-MAIN 2019

12-01-2019 S1

Question

A light wave is incident normally on a glass slab of refractive index 1.5. If 4% of light gets reflected and the amplitude of the electric field of the incident light is 30 V/m, then the amplitude of the electric field for the wave propogating in the glass medium will be

Select the correct option:

A

6 V/m

B

10 V/m

C

24 V/m

D

30 V/m

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