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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 `60^(@)`. If the reflected and refracted rays are perpendicular to each other, the index of refraction of glass is

A

`sqrt(3)/2`

B

`sqrt(3)`

C

`3/2`

D

`1/sqrt(3)`

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The correct Answer is:
B
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