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In case of refraction, if the angle of incidence and the angle of refraction are 45º and 30º respectively, t

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In case of refraction, if the angle of incidence and the angle of refraction are 45º and 30º respectively, then the angle of deviation is

 (a) 75º (b) 15º (c) 7.5º (d) 37.5º 

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1 Answer

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by (71.3k points)

The correct option is (b) 15º

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