A ray of light incident at an angle θ on a refracting face of prism emerges from the other face normally. If the angle of the prism is 5 and the prism is made of 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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Solution
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Correct option is A)
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