If the length of a closed organ pipe is 1.5 m and velocity of sound is – McqOptions

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1.	If the length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s, then the frequency for the second note is [CBSE PMT 2002]
A.	220 Hz
B.	165 Hz
C.	110 Hz
D.	55 Hz
Answer» C. 110 Hz

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