Beats in sound occur when:
A)two waves of the same frequency interfere
B)two waves of slightly different frequency interfere
C)a reflected wave interferes with an incident wave
D)waves travel in two media having slightly different sound velocities
E)source and observer are in relative motion

Question

Quizplus · Accepted Answer

Beats occur when two waves of slightly different frequencies interfere. This results in an oscillation of the sound amplitude, creating a "wobbling" or pulsating sound.

Beats in Sound Occur When