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The refractive index of a glass is 1.520...

The refractive index of a glass is 1.520 for red light and 1.525 for blue light. Let `D_1` and `D_2` be angles of minimum deviation for red and blue light respectively in a prism of this glass. Then,

A

`D_(1) lt D_(2)`

B

`D_(1)=D_(2)`

C

`D_(1)` can be less than or greater than `D_(2)` depending upon the angle of prism

D

`D_(1) gt D_(2)`

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The correct Answer is:
A
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  17. A thin convex lens made from crown glass (mu = 3//2) has focal length ...

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