Two pendulums begin to swing simultaneously. If the ratio of the frequ – McqOptions

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1.	Two pendulums begin to swing simultaneously. If the ratio of the frequency of oscillations of the two is 7 : 8, then the ratio of lengths of the two pendulums will be [J & K CET 2005]
A.	7 : 8
B.	8 : 7
C.	49 : 64
D.	64 : 49
Answer» C. 49 : 64

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