MHT CET 2022 Physics question

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

(A)reduce the amplitude of oscillation
(B)increase the length of the pendulum
(C)reduce the length of the pendulumCorrect
(D)reduce the mass of the bob

Answer: (C)

Solution

The time period of a simple pendulum is . A clock that runs slow takes more time per oscillation than it should, i.e. its time period is too large. To decrease we must reduce the length , option (C).

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Question ID VK-095889