Two tuning forks have frequencies of 440 and 522 Hz. What is the beat frequency if both are sounding simultaneously?
A) 962 Hz
B) 431 Hz
C) 82 Hz
D) 55 Hz
E) 41 Hz

Name: Two tuning forks have frequencies of 440 and 522 Hz. What is the beat frequency if both are sounding simultaneously? A) 962 Hz B) 431 Hz C) 82 Hz D) 55 Hz E) 41 Hz
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Question

Quizplus · Accepted Answer

The beat frequency is equal to the absolute value of the difference between the two frequencies. 
Beat frequency = |440 Hz - 522 Hz| = 82 Hz.

Two Tuning Forks Have Frequencies of 440 and 522 Hz