A ray of light is incident normally on one of the faces of prism of apex angle 30°and refractive index √3 the angle of deviation of the ray is ...degreea)30° b)45° c)15° d)22.5
sheema , 7 Years ago
Grade 12th pass
1 Answers
Arun
Last Activity: 7 Years ago
Dear student
A = 30° μ = √2 (For thin prisms) We have the relation δ = (μ − 1)A = (√3 − 1) x 30° = 21.96°
Hence option D is correct
Regards
Arun (askIITians forum expert)
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