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

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Homework Help Overview

The problem involves determining the beat frequency produced by two tuning forks with frequencies of 256 Hz and 258 Hz. Participants are discussing the implications of the calculated beat frequency and its audibility.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants are attempting to confirm the calculated beat frequency of 2 Hz and are questioning the audibility of such a low frequency. There is also discussion about the nature of beat frequencies and their derivation from the fundamental frequencies.

Discussion Status

There is a general agreement on the calculated beat frequency being 2 Hz, but participants are exploring the validity of this result in terms of human hearing capabilities. Some guidance is offered regarding the nature of beat frequencies.

Contextual Notes

Participants are considering the context of the problem as a homework question, which may impose certain constraints on the interpretation of the results.

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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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