Suppose the air passages in a certain P. walkeri crest produce a bent tube 2.7 m long.
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Suppose the air passages in a certain P. walkeri crest produce a bent tube 2.7 m long. What is the fundamental frequency of this tube, assuming the bend has no effect on the frequency? (For comparison, a typical human hearing range is 20 Hz to 20 kHz.)
A. 0.0039 Hz
B. 32 Hz
C. 64 Hz
D. 130 Hz
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