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A thin prism having refracting angle 10^...

A thin prism having refracting angle `10^(@)` is made of glass of refractive index 1.42.This prism is combined with another thin prism of lass of reefractive index 1.7.This combination produces disperion without deviation. The refracting angle of second prism should be

A

`4^(@)`

B

`6^(@)`

C

`8^(@)`

D

`10^(@)`

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS-ASSIGNMENT (SECTION - C)
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