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A pendulum is suspended in a lit and its...

A pendulum is suspended in a lit and its period of oscillation is `T_(0)` when the lift is stationary.
`(i)` What will be the period `T` of oscillation of pendulum, if the lift begins to accelerates downwards with an acceleration equal to `(3g)/(4)` ?

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The correct Answer is:
`(i) 2T_(0) , (ii) 3g` upwards
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RESONANCE ENGLISH-SIMPLE HARMONIC MOTION -Exercise- 1, PART - I
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