A person gazes at a very distant light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she will see
A) the same thing as without the fingers, but dimmer.
B) a sequence of closely spaced bright lines.
C) a series of bright spots.
D) a hazy band of light varying from red at one side to blue or violet at the other.

Question

Quizplus · Accepted Answer

The interference of light waves passing through the gap between the fingers creates a series of bright lines.

A Person Gazes at a Very Distant Light Source