Question

The index of refraction of air is 1.00, and of sapphire is 1.762. If a ray of light travelling through the air strikes the surface of the sapphire at an angle of incidence of 30°, what will be the angle of refraction as the light enters the sapphire?
Group of answer choices

12.26°

13.50°

16.48°

21.85°
16.48°

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