Questions
A prism of refractive index has a refracting angle of 60°. At what angle a ray must be incident on it so that it suffers a minimum deviation?
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Correct option is A
μ=sin isinA2⇒2=sin isin602⇒i=45oSimilar Questions
ABC is an isosceles right angled triangle with the angle BAC 90o. A ray of light parallel to the base BC strikes the face AB. The refracted ray in the prism strikes the base BC. If the refractive index of the material of the prism is , find the total angle of deviation of the final emergent ray
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