2 sound waves of similar frequencies interfere and beats are heard. What are the values of the frequencies heard?

1 Answer
Gió
Jun 21, 2017

I tried with an example:

Explanation:

Consider an example:
Two flutes generate sound waves of frequencies #264 Hz# and #262Hz#, respectively. What is the beat frequency?

#f_"beat"=264Hz-262Hz=2Hz#

So that the listener will hear a tone of AVERAGE frequency #263Hz#, but with an amplitude pulsating #2# times per second.

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