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A small angled prism of refractive index...

A small angled prism of refractive index 1.6 gives a deviation of `3.6^(@)`. The angle of prism is ____________ .

A

`7^(@)`

B

`6^(@)`

C

`5^(@)`

D

`8^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
`delta= (n-1)A`
`implies 3.6^(@)= 0.6A implies A= 6^(@)`
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