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A ray of light enters a rectangular glas...

A ray of light enters a rectangular glass slab of refractive index `sqrt(3)` at an angle of incidence `60^(@)`. It travels a distance of 5cm inside the slab and emerges out of the slab. The perpendicular distance between the incident and the emergent rays is

A

`5sqrt(3)cm`

B

`5/2` cm

C

`5sqrt(3//2)` cm

D

5cm

Text Solution

Verified by Experts

The correct Answer is:
B

`(sin60^@)/(sinr_(1))=sqrt(3)`
`r_(1)=30^@`
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