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
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We have deviation, δ=(M−1)A
The angle of the prism is 50°.The ray emerges from refracting face of a prism normally.
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