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A thin prism having refreacting angle 10...

A thin prism having refreacting angle `10^(@)` is made of galss refractive index 1.42. This prism is combined with another thin prism glass of refractive index 1.7 This Combination profuces dispersion without deviation. The refreacting angle of second prishm should be

A

`4^(@)`

B

`6^(@)`

C

`8^(@)`

D

`10^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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