A tube with a cap on one end, but open at the other end, has a fundamental frequ

Question

A tube with a cap on one end, but open at the other end, has a fundamental frequency of 129.3 Hz. The speed of sound is 343 m/s. (a) If the cap is removed, what is the new fundamental frequency of the tube? (b) How long is the tube?

(a) Number Units msN/kgJHzm/s (b) Number Units msN/kgJHzm/s
A tube with a cap on one end, but open at the other end, has a fundamental frequency of 129.3 Hz. The speed of sound is 343 m/s. (a) If the cap is removed, what is the new fundamental frequency of the tube? (b) How long is the tube?

Explanation / Answer

129.3*2 = 258.6 Hz

b) 343/(258.6*2) = 0.6631 m

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