A ray of laser | Ray Optics and Optical Instruments |JEEMAIN

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JEE-MAIN 2021

25-07-2021 S1

Question

A ray of laser of a wavelength 630 nm is incident at an angle of 30º 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

Select the correct option:

A

angle of refraction is 24.41º

B

angle of refraction is 30º

C

refraction is not possible

D

angle of refraction is 53.4º

✓ Correct! Well done.

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Solution

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