Practice for the upcoming quiz - which is class after next
1. Consider a string, 0.4 m long. The normal wave speed is 120 m/s. Find the wavelengths and frequencies of the first 3 harmonics. Draw the standing waves as well.
2. repeat the first problem for a tube open at both ends, if it is 0.8 m long and the speed of sound is 340 m/s.
3. Consider problem 2 - what would happen if the tube were capped on one end.
4. Consider a concert A - 440 hz. Find these frequencies:
A. The next 2 A notes
B. The note immediately after A.
c. The note 3 piano keys after A
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