Wavelengths of light are to constancy as differences in light reflected off various objects are to constancy.
A)size; shape
B)shape; size
C)lightness; color
D)color; lightness

Question

Quizplus · Accepted Answer

The analogy compares the constancy of wavelengths of light (which determines color) to the constancy of differences in light reflected (which affects how we perceive lightness or brightness).

Wavelengths of Light Are to Constancy as Differences in Light