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A thin prism of angle 15^(@) made of gla...

A thin prism of angle `15^(@)` made of glass of refractive index `mu_(1)=1.5` is combined with another prism of glass of refractive index `mu_(2)=1.75`. The combination of the prism produces dispersion without deviation. The angle of the second prism should be

A

`12^(@)`

B

`5^(@)`

C

`7^(@)`

D

`10^(@)`

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The correct Answer is:
D
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