Question on: JAMB Physics - 2024
The fourth overtone of a closed pipe is 900 Hz, its fundamental frequency is
A
50Hz
B
100Hz
C
200Hz
D
400Hz
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Correct Option: B
For a closed pipe, only odd harmonics exist. The fourth overtone corresponds to the 9th harmonic. If the 9th harmonic is 900 Hz, the fundamental frequency f₁ is:
f₁ = 900 Hz / 9 = 100 Hz
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