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One side of a glass slab is silvered as ...

One side of a glass slab is silvered as shown. A ray of light is incident on the other side at angle of incidence `i = 45^(@)`. Refractive index of glass a is given as 1.5. The diviation of the ray of light from its initial path when it comes out of the slab is

A

`90^(@)`

B

`180^(@)`

C

`120^(@)`

D

`45^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • 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?

    A
    `(1)/(2)`
    B
    `sqrt((3)/(2))`
    C
    `(3)/(2)`
    D
    `sqrt(3)`