Light enters a substance from air at an angle of 32.0°, and continues at an angle of 23.0°. What is the index of refraction of the substance?
A)0.74
B)1.11
C)1.28
D)1.36
E)1.52

Question

Quizplus · Accepted Answer

The index of refraction can be calculated using Snell's Law: n1 * sin(θ1) = n2 * sin(θ2). For air, n1 = 1. Using θ1 = 32.0° and θ2 = 23.0°, we solve for n2: n2 = sin(32.0°) / sin(23.0°) ≈ 1.36.

Light Enters a Substance from Air at an Angle of 32.0°