27. A ray of light falls on the surface of a spherical glasspaper weig – InterviewSolution

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1.	27. A ray of light falls on the surface of a spherical glasspaper weight making an angle α with the normaland is refracted in the medium at an angle β. Theangle of deviation of the emergent ray from thedirection of the incident ray(b)2(α-β)(c)(α-β)/2
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