A gray 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 gray square will reflect the same amount of light on both backgrounds, so it is equally bright. However, against the black background, it will appear lighter due to the contrast effect.

A Gray Square Is Placed First on a White Sheet