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Electromagnetic Waves question

2019 · 12 Jan · Shift 1 · Q62

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JEE Main
Physics
Electromagnetic Waves
2019 · 12 Jan · Shift 1 · Q62

Electromagnetic Waves question

2019 · 12 Jan · Shift 1 · Q62

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1

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 propagating in the glass medium will be :

A
6 V/m
B
10 V/m
C
30 V/m
D
24 V/m

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