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A ray of light falls on a glass plate of...

A ray of light falls on a glass plate of refractive index `mu=1.5`.
What is the angle of incidence of the ray if the angle between the reflected and
refracted rays is `90^@`?

A

`sin^(-1)(mu)`

B

`cos^(-1) (mu)`

C

`tan^(-1) (mu)`

D

`tan^(-1) (1//mu)`

Text Solution

Verified by Experts

The correct Answer is:
C
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