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12 July, 00:33

A car has two horns, one emitting a frequency of 199 hz and the other emitting a frequency of 203 hz. what beat frequency do they produce?

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  1. 12 July, 00:39
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    Beat frequency, fb = |f2-f1|

    That is, beat frequency is the absolute difference between two frequencies. Is is as a results of destructive and constructive inferences.

    Therefore, in this case:

    fb = 203 - 199 = 4 Hz
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