Sound Resonance in Air Column · PhysicsBowl 2007 #24
Physics
Problem
A resonance occurs with a tuning fork and an air column of size 39 cm. The next highest resonance occurs with an air column of 65 cm. What is the frequency of the tuning fork? Assume that the speed of sound is 343 m/s.
(a) 329.8 Hz
(b) 527.7 Hz
(c) 659.6 Hz
(d) 879.5 Hz
(e) 1319 Hz