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Deviation of 5^(@) is observed from a pr...

Deviation of `5^(@)` is observed from a prism whose angle is small and whose refractive index is 1.5 The angle of prism is

A

`7.5^(@)`

B

`10^(@)`

C

`5^(@)`

D

`3.3^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
`delta = A (n - 1)`
`rArr " " 5^(@) = A (1.5 -1 ) rArr A = 10^(@)` .
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