Question: 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,

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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