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Questions  

In the position of minimum deviation when a ray of yellow light passes through the prism, then its angle of incidence is

a
Less than the emergent angle
b
Greater than the emergent angle
c
Sum of angle of incidence and emergent angle is 900
d
Equal to the emergent angle

detailed solution

Correct option is D

The minimum deviation of light ray is observed when angle of incidence is same as angle of emergence

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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 2, find the total angle of deviation of the final emergent ray


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