The angle of incidence for a ray of light at a refracting surface of a prism is 45 o . The angle of prism is 60 o . If the ray suffers minimum deviation through the prism, the angle of minimum deviation and refractive index of the material of the prism respectively, are:

Question

Aicharya · Accepted Answer

At minimum deviation δ m i n = 2 i - A δ m i n = 2 45 - 60 δ m i n = 30 o Refractive index of material is μ = sin ⁡ δ m i n + A 2 sin ⁡ A 2 = sin ⁡ 30 + 60 2 sin ⁡ 30 o μ = sin ⁡ 45 o sin ⁡ 30 o = 1 2 1 2 = 2

The angle of incidence for a ray of light at a refracting surface of a prism is 45 o . The angle of prism is…

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