A prism is made of glass of unknown refractive index. A parallel beam of light is incidence on the first refracting face of prism. The angle of minimum deviation is measured to be 400. What is the refractive index of material of the prism? The refracting angle of prism is 600.[Sin 500=0.766]
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Step-by-step explanation:
Since the prism is placed in water, let be the new angle of minimum deviation for the same prism. The refractive index of glass with respect to water is given by the relation: Hence, the new minimum angle of deviation is 10.32°.
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