Yellow is considered one of the primary colors,but there is no cone specialized to respond to yellow light.When we see yellow,it is because the light is stimulating the:
A) S cones very little and the L and M cones equally
B) S cones very little, the L cones greatly, and the M cones moderately
C) S and M cones equally and the L cones very little
D) S and L cones equally and the M cones greatly

Question

Quizplus · Accepted Answer

Yellow light stimulates the L (long-wavelength) and M (medium-wavelength) cones equally, while the S (short-wavelength) cones are stimulated very little, creating the perception of yellow.

Yellow Is Considered One of the Primary Colors,but There Is