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On a glass plate, a light wave is incide...

On a glass plate, a light wave is incident at an angle of `60^(@)`. If the reflected and the refracted waves are mutully perpendicular, the refractive index of material is

A

`(sqrt(3))/(2)`

B

`sqrt(3)`

C

`(3)/(2)`

D

`(1)/(sqrt(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
n `= (sini)/(sin r)`
`rArr " " n= (sin 60^(@))/(sin 30^(@))`
`rArr n = sqrt(3)`.
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