If the length of the pendulum in pendulum clock increases by \( 0.1 \% \), then the error in tim...

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If the length of the pendulum in pendulum clock increases by \( 0.1 \% \), then the error in time per day is
(a) \( 86.4 \mathrm{~s} \)
(b) \( 4.32 \mathrm{~s} \)
(c) \( 43.2 \mathrm{~s} \)
(d) \( 8.64 \mathrm{~s} \)
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