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White light is passed through a prism whose angle is 5°. If the refractive indices for rays of red and blue colour are respectively 1.64 and 1.66, the angle of deviation between the two colours will be

a
0.1 degree
b
0.2 degree
c
0.3 degree
d
0.4 degree

detailed solution

Correct option is A

θ=μv−μrA=0.02×5∘=0.1∘

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