Consider the two open-open pipes shown below. The one on the left has
a length L0, and the one on the right has a slightly different
length equal to L=(n2/n1)L0 where
n1 and n2 are integers. The fundamental frequency of
the pipe on the left is f0. If both pipes produce sound at the
same time, what is the beat frequency of the combined sound? If the beat
frequency is fbeat=f0/n3,
what is n3? Note that all integers are unitless.
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