If refractive index of water is \frac{4}{3} and that of a given slab immersed in it is \frac{5}{3}. The value of critical angle for a ray of light tending to go from glass to water is:

Correct Answer is : Sin−1(45)

AP EAPCET 25-Aug-2021 Shift 2 Paper

Section: Physics

Question : 108 of 160

Marks: +1, -0

If refractive index of water is

and that of a given slab immersed in it is

. The value of critical angle for a ray of light tending to go from glass to water is:

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