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The critical angle of a tran sp aren t s...

The critical angle of a tran sp aren t slab is `30^(@)`. The refractive index of th e m aterial of the slab is

A

2

B

`0.5`

C

`1.6`

D

`0.866`

Text Solution

Verified by Experts

The correct Answer is:
A
Since `P=(100)/(f("in cm")) =100/50 =2D`
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