An organ pipe is 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:
Text Solution
Verified by ExpertsThe correct answer is:
C
Critical hearing frequency for a person is 20,000Hz.
If a closed pipe vibration in 
mode then frequency of vibration 
(where 
fundamental frequency of vibration)
Hence 20,000 
⇒ ⇒ 
Also, in closed pipe
Number of over tones = (No. of mode of vibration) –1
= 7 – 1 = 6.
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