Question

According to the trichromatic theory of color vision, the eye has cones sensitive to colors associated with ___________.
A.
red, green, and yellow
B.
green, purple, and red
C.
red, green, and blue
D.
black, brown, and white

Answer 1

C.

The trichromatic (Young–Helmholtz) theory states the eye has three types of cones most sensitive to red (long), green (medium), and blue (short) wavelengths.