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

1 Answer
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.