Entry Test MCQ :: Oscillations

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A simple pendulum suspended form the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is

[A].	infinite	[B].	T/g
[C].	zero	[D].	g/T

Answer: Option A

Anil said:

how the time period is infinite

irtza rehman said:

when the lift falls freely so the apparent weight of pendulum becomes zero W=0 so g=w/m is also equal to 0 put the value of g in the formula of time period u will get the answer :) make sense?