A light ray strikes the surface of sapphire (n = 1.77 ) at an angle of incidence of 40.0$^{\circ}$.What angle of refraction results?
A) 21.3$^{\circ}$
B) 50.0$^{\circ}$
C) 59.7$^{\circ}$
D) 57.0$^{\circ}$
E) 17.7$^{\circ}$

Question

Quizplus · Accepted Answer

Using Snell's Law, n1 * sin(θ1) = n2 * sin(θ2), where n1 = 1 (air), θ1 = 40°, and n2 = 1.77 (sapphire), we find θ2 ≈ 21.3°.

A Light Ray Strikes the Surface of Sapphire (N = ∘^{\circ}∘

A Light Ray Strikes the Surface of Sapphire (N = $^{\circ}$