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If one face of a prism of prism angle 30° and is silvered, the incident ray retraces its initial path, then the angle of incident is
detailed solution
Correct option is D
if it is retracing its path form plane mirror then it must be falling normally r2=zero r1 must be A=300 sin isin 300=μ =2 i= 450Talk to our academic expert!
Similar 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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