Home Physics Ray Optics JEE Main 2021 A ray of laser of a wavelength 630nm is inci…
Physics Ray Optics JEE Main 2021 MCQ (Single Correct)

A ray of laser of a wavelength 630nm is incident at an angle of 30 0 at the diamond-air interface. It is going from diamond to air. The refractive index of diamond is 2.42 and that of air is 1. Choose the correct option.

A
angle of refraction is 24.41 0
B
angle of refraction is 30 0
C
refraction is not possible
D
angle of refraction is 53.4 0

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Text Solution

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The correct answer is:
C

Total internal reflection will happen

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