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Questions  

A simple pendulum hanging from the ceiling of a stationary lift has a time period T1. When the lift moves downward with constant velocity, the time period is T2, then  

a
T2 is infinity
b
T2>T1
c
T2
d
T2=T1

detailed solution

Correct option is D

T∝1g and g is same in both cases so time period remain same.

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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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