1.

The fundamental frequency of air column in a pipe open at both ends is 200 Hz. What is the frequency of the 1. second harmonic 2. third overtone ? (Ignore the end correction.)

Answer»

Open pipe. 

1. Second harmonic = 2 × 200 = 400 Hz 

2. Third overtone = fourth harmonic = 4 × 200 = 800 Hz.



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