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A ray of light strikes a glass plate at ...

A ray of light strikes a glass plate at an angle of `40^(@)`. If the reflected and refracted rays are perpendicular to each other the index of refractive of glass is

A

`1//2`

B

`sqrt(3//2)`

C

`3//2`

D

`0.83`

Text Solution

Verified by Experts

The correct Answer is:
D
`mu = tan theta_(P) = tan 40 = 0.83`
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