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Simple Harmonic Motion — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsSimple Harmonic Motion1 Mark
Question
A pendulum clock gives correct time at the equator. Will it gain time or loose time as it is taken to the poles?
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Answer

$\text{T}=2\pi\sqrt{\frac{\text{l}}{\text{g}}}$ at pole g is more so time period gets decreased hence check gains time.

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