If a light stimulus that contains an equal number of all wavelengths is presented to a human, they will report a perception of
A) a black color.
B) a rainbow of colors.
C) mostly purple.
D) white.
E) a fuzzy set of alternating black and white bars.

Question

Quizplus · Accepted Answer

When an equal number of all wavelengths is presented to a human, they perceive white light. This is because the brain processes the different wavelengths of light together to produce a perception of white.

If a Light Stimulus That Contains an Equal Number of All