A ray of light travels from a medium of refractive index 2 to another medium of refractive index \sqrt2. Total internal reflection takes place when the angle of incidence is ______

AP EAMCET Engineering 17 Sep 2020 Shift 2 Paper

Section: Physics

Question : 84 of 160

Marks: +1, -0

A ray of light travels from a medium of refractive index 2 to another medium of refractive index √2. Total internal reflection takes place when the angle of incidence is ______

30°
45°
60°
80°

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