A ray of light falls on the surface of a spherical glass paper weight making an angle α…
Physics · JEE Advanced · NTA Exams — Optics
A ray of light falls on the surface of a spherical glass paper weight making an angle α with the normal and is refracted in the medium at an angle β. The angle of deviation of the emergent ray from the direction of the incident ray
- (α – β)
- 2 (α – β)
- (α – β)/2
- (β – α)
Answer
(B) 2 ( α – β )
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