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A pendulum clock gives correct Time at t...

A pendulum clock gives correct Time at the equator, Wil it gain time or loose time as it is taken to the poles?

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When a pendulum clock showing correct time at equator is taken to poles then it will gain time.
Acceleration due to gravity at poles is high. Time period of pendulum `T = 2pi sqrt(l/g)`
When g increases T decerases. So decreases . So number of oscillations made in the given time increases hence clock gains time.
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