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White light is passed through a prism of...

White light is passed through a prism of `5^(@)`. If refractive indices for red and blue rays are `1.641 and 1.659` respectively, calculate the angular dispersion of the prism.

A

0.1 degree

B

0.2 degree

C

0.3 degree

D

0.4 degree

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The correct Answer is:
A
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