Two closed pipe produce 10 beats per second when emitting their fundam – McqOptions

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1.	Two closed pipe produce 10 beats per second when emitting their fundamental nodes. If their length are in ratio of 25 : 26. Then their fundamental frequency in Hz, are [MH CET 2002]
A.	270, 280
B.	260, 270
C.	260, 250
D.	260, 280
Answer» D. 260, 280

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