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A simple pendulum has time period T1 The point of suspension is now moved upward according to equation y=kt2, where k = 1 m/sec2. If new time period is T2 then ratio T12T22 will be

a
2/3
b
5/6
c
6/5
d
3/2

detailed solution

Correct option is C

y=kt2⇒d2ydt2=ay=2K=2⇒1=2m/s2∵k=1m/s2 Now, T1=2πlg and T2=2πlg+ay Dividing, T1T2=g+ayg⇒65⇒T12T22=65

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A simple pendulum has time period T1. The point of suspension is now moved upward according to equation y=kt2  where k=1m/sec2. If new time period is T2 then ratio T12T22  will be


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