At what angle with the normal (in degree) should a light beam fall on the surface from air to material of refractive index n = 1.732 , if the angle of refraction was half the angle of incidence? Assum

Question

At what angle with the normal (in degree) should a light beam fall on the surface from air to material of refractive index n = 1.732 , if the angle of refraction was half the angle of incidence? Assume that the beam is not incident normally.

TestHub · Accepted Answer

​ 1 sin i = 3 ​ sin 2 i ​ ​ ​ ​ ​ ​ 2 cos 2 i ​ = 3 ​ cos 2 i ​ = 2 3 ​ ​ 2 i ​ = 3 0 ∘ i = 6 0 ∘

Physics - Geometrical Optics Question with Solution | TestHub

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