On days when the air nearest the ground is colder than air above,sound waves tend to
A)be refracted upward.
B)be refracted downward.
C)travel without refraction.

Question

Quizplus · Accepted Answer

When the temperature near the ground is colder than the air above it, the sound waves tend to be refracted downward. This phenomenon is called a temperature inversion, and it creates a layer of dense air near the ground that causes the sound waves to bend downward toward the listener's ear.

On Days When the Air Nearest the Ground Is Colder