MHT CET 2025 Physics question
An organ pipe closed at one end has fundamental frequency of 1500 Hz. The maximum number of overtones generated by this pipe which a normal person can hear is (Normal man can hear the frequency up to 19.5 kHz, Neglect end correction).
Answer: (A)
Solution
A closed pipe produces only odd harmonics: Hz Hz for . The upper limit of hearing, 19.5 kHz, is exactly the 13th harmonic ( Hz). The fundamental (1500 Hz) is not
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