A ray of light travelling in a transparent medium of refractive index μ, falls on a…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45°. For which of the following value of μ the ray can undergo total internal reflection?
- m = 1.33
- m = 1.40
- m = 1.50
- m = 1.25
Answer
(C) m = 1.50
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