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?

`3/2 `

`1.732`

`sqrt((3)/2)`

`(1)/(sqrt(3))`

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The correct Answer is:

`n=tan 60^(@) =sqrt(3)=1.732`

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