A ray of light is incident normally on one face of a right-angled isosceles prism and then it grazes the hypotenuse. The refractive index of the material of the prism is

Question

A ray of light is incident normally on one face of a right-angled isosceles prism and then it grazes the hypotenuse. The refractive index of the material of the prism is, 1 . 33, 1 . 414, 1 . 5, 1 . 732

MARKS App · Accepted Answer

Refractive index, μ = 1 sin ⁡ C , Where C is the critical angle Here, C = 45 ° ∴ μ = 1 sin ⁡ 45 ° o r μ = 2 o r μ = 1.414

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