A closed pipe and an open pipe have their first overtones identical in – McqOptions

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1.	A closed pipe and an open pipe have their first overtones identical in frequency. Their lengths are in the ratio [Roorkee 1999]
A.	1 : 2
B.	2 : 3
C.	3 : 4
D.	4 : 5
Answer» D. 4 : 5

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