Question

A ray of light is incident normally on
the surface of water. Its angle of
refraction in water is :
(B) 180°
(A) 90°
(C) 0°
(D) 45°​

Answer 1

In this case angle of incidence and angle of refraction is zero if the ray of light falls perpendicularly on the surface of water. Option C is the right answer.

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Answer 2

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your answer is option C

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