Problem C6:
Below is an open-closed pipe. You place a tuning fork of frequency n_{1} Hz at
the open end. The length of the pipe is adjustable. If you vary the length of the
pipe from zero to n_{2} meters, how many resonances do you hear? If the
number of resonances is n_{3},
what is n_{3}? Note that n_{1} has units of Hz, and
n_{2} has units of meters. Take the speed of sound to be 340 m/s.

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