The colors of the visible spectrum are blue, green, orange, red, violet, and yellow. Of these colors, ______ has the least energy.
A) Red
B) Yellow
C) Green
D) Indigo
E) Violet

Question

Quizplus · Accepted Answer

The energy of a color is directly proportional to its frequency. Red has the longest wavelength and the lowest frequency among the colors of the visible spectrum, so it has the least energy.

The Colors of the Visible Spectrum Are Blue, Green, Orange