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MHT CET 2021 (21 Sep, Shift 2) · Simple Pendulum

Simple Pendulum question from MHT CET 2021 (21 Sep, Shift 2)

Q59MHT CET 2021 · 21 SEP · SHIFT 2Easy

Simple Pendulum

A pendulum clock is running fast. To correct its time, we should

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Answer: (c)

  1. A fast clock means its period is too small.
  2. T=2πlgT = 2\pi\sqrt{\frac{l}{g}}, so increasing ll increases TT.
  3. So the answer is (c) increase the length of the pendulum.
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