An eye with only S-cones responds strongly to some incoming light. What can we infer from this about the incoming light?
Group of answer choices
a. It must be from the ‘green’ part of the visible spectrum.
b. It must be from the ‘yellow’ part of the visible spectrum.
c. It must be from the ‘red’ part of the visible spectrum.
d. It must be from the ‘blue’ part of the visible spectrum.
e. We cannot infer anything about the wavelength composition of the incoming light.