Below is an open-closed pipe. You place a tuning fork of frequency n1 Hz at
the open end. The length of the pipe is adjustable. If you vary the length of the
pipe from zero to n2 meters, how many resonances do you hear? If the
number of resonances is n3,
what is n3? Note that n1 has units of Hz, and
n2 has units of meters. Take the speed of sound to be 340 m/s.
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