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A ray of light travelling through rarer ...

A ray of light travelling through rarer medium is incident at very small angle i on a glass slab and after refraction its velocity is reduced by 20%. The angle of deviation

A

`i/8`

B

`i/5`

C

`i/2`

D

`(4i)/5`

Text Solution

Verified by Experts

The correct Answer is:
B
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