Question

Square waves of 200 and 301Hz are sounded together. How many beats are heard? Write out...

Square waves of 200 and 301Hz are sounded together. How many beats are heard? Write out the harmonics of each tone and indicate harmonics that might beat with harmonics of the other tone. Do the same for sawtooth waves at these frequencies. Can second-order beats be explained as beats between harmonics of the two tones?

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Answer #1

Solution:

beats are heard = f2 - f1

                            =   301 - 200

                            =   101 Hz

=> harmonics of each tone   = nf = n * (101)

where, n = 1,2,3...n

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