When two sound waves of slightly different frequencies $f_1$ and $f_2$ superimpose, the beat frequency produced per second is:
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Question

When two sound waves of slightly different frequencies $f1$ and $f2$ superimpose, the beat frequency produced per second is:

Accepted Answer

Correct Option: $|f1 - f2|$ 
Beat frequency is the absolute difference between the frequencies of two superimposing sound waves, given by $f{beat} = |f1 - f2|$.

Waves

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