A light stimulus that is composed of only one wavelength would be said to exhibit
A) reduced saturation.
B) decreased brightness.
C) hue.
D) purity.
E) reduced contrast.

Question

Quizplus · Accepted Answer

Purity is a term that refers to how "pure" a color is or how much it is made up of a single wavelength. Therefore, a light stimulus composed of only one wavelength can be described as having high purity.

A Light Stimulus That Is Composed of Only One Wavelength