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A plane mirror PQ is help normally to water surface of refractive idex 1.33. A ray of light is incident at an angle of `50^@` with the nirror surface. After reflection the ray is refracted into water. The angle of refraction r is

A

`50^@`

B

`35^@`

C

`45^@`

D

`60^@`

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Verified by Experts

The correct Answer is:
B
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