What should be the angle of incidence of a light ray incident through the air on the boundary separating air from water so that the angle of refraction is 30°? (refractive index of air is 1 and that of water is 1.32)
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What should be the angle of incidence of a light ray incident through the air on the boundary separating air from water so that the angle of refraction is 30°? (refractive index of air is 1 and that of water is 1.32)
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