A ray of light in incident on a glass pl...

A ray of light in incident on a glass plate at an angle of `60^@`. What is the refractive index of glass if the reflected and refracted rays are perpendicular to each other?

`(1)/(2)`

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

`(3)/(2)`

`1.732`

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The correct Answer is:

`mu = tan theta_(P) = tan 60 = 1.732`

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