Optical density is directly proportional to
A) light speed.
B) index of reflection.
C) index of refraction.
D) mass density.

Question

Quizplus · Accepted Answer

Optical density is a measure of how much a material slows down light passing through it, which is directly related to the material's index of refraction. The index of refraction quantifies how much light bends, or refracts, when entering a material from another medium.

Optical Density Is Directly Proportional to