Two tuning forks have frequencies of 480 and 520 Hz. What is the beat frequency if both are emitting a sound at the same time?
A)40 Hz
B)20 Hz
C)1000 Hz
D)490 Hz
E)500 Hz

Name: Two tuning forks have frequencies of 480 and 520 Hz. What is the beat frequency if both are emitting a sound at the same time? A)40 Hz B)20 Hz C)1000 Hz D)490 Hz E)500 Hz
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Question

Quizplus · Accepted Answer

The beat frequency is the absolute difference between the two frequencies, which is |520 Hz - 480 Hz| = 40 Hz.

Two Tuning Forks Have Frequencies of 480 and 520 Hz