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Question

Physics Question on Refraction of Light

A prism has a refracting angle of 60?? When placed in the position of minimum deviation, it produces a deviation of 30?? The angle of incidence is

A

30??/div>

B

45??/div>

C

15??/div>

D

60??/div>

Answer

45??/div>

Explanation

Solution

i=A+δm2=60+302=45∘i=\frac{A+\delta_{m}}{2} =\frac{60+30}{2} =45^{\circ}