A grey square is placed first on a white sheet of paper and then on a black sheet of paper. The square will be ____________ on the black as on the white background.
A) equally bright but appear darker
B) equally bright but appear lighter
C) brighter and appear lighter
D) less bright but appear equally light

Question

Quizplus · Accepted Answer

The grey square will reflect the same amount of light on both backgrounds, so it is equally bright. However, it will appear lighter on the black background due to the contrast effect, where the surrounding color influences the perceived brightness of the object.

A Grey Square Is Placed First on a White Sheet