What Is the Beat Frequency Between Two Close Tuning Fork Frequencies?

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The discussion centers on calculating the beat frequency between two tuning forks with frequencies of 256 Hz and 258 Hz. The correct beat frequency is determined to be 2 Hz, which is the difference between the two frequencies. Participants note that while 2 Hz is the calculated beat frequency, it is not audible to the human ear. The consensus is that the only logical answer is 2 Hz, despite the fact that it falls below the audible range. The conversation highlights the nature of beat frequencies and their calculation.
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Homework Statement



Two tuning forks are struck and the sounds from each reach your ears at the same time. One sound has a frequency of 256 Hz, and the second sound has a frequency of 258 Hz. The underlying "hum" frequency that you hear is:
A. 2 Hz
B. 256 Hz
C. 258 Hz
D. 257 Hz

Homework Equations


The Attempt at a Solution



I got it as 2 HZ
 
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Probably. Computer generated question?

The hesitation is because no one can hear 2 Hz.
 
Nah homework question!
 
Is it 2HZ?
 
yes, but I agree with Delphi--two hz is not audible. Beat frequencies are generated by sums and differences of the fundamentals. The only choice which makes sense is 2.
 

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