Question

A ray of light is incident at an angle i on a glass slab of refractive index . The angle between reflected and refracted light is . Then the relationship between i and is.

A

B

C

D

Medium
Solution
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Correct option is B)

Let the angle of reflection and refraction be respectively.

Since angle between reflected and refracted ray is
.

From law of reflection,

From Snell's law,





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