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A ray of light is incident at an angle i...

A ray of light is incident at an angle `i` from denser to rare medium. The reflected and the refracted rays are mutually perpendicular. The angle of reflection and the angle of refraction are respectively r and r'. Then the critical angle will be:

A

`sin^(-1)(sin r)`

B

`sin^(-1)(sin r')`

C

`sin^(-1)(tan i)`

D

`tan^(-1)(sin i)`

Text Solution

Verified by Experts

The correct Answer is:
C
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