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05-02-2024
Physics

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A ray of light incident at an angle θ on a face of a prism emerges from the other face normally. If the angle of the prism is 5∘ and the prism is made of a material of refractive index 1.5. The angle of incidence is

A.7.5∘
B.5∘
C.15∘
D.2.5∘

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