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प्रश्न
A pendulum clock is running fast. To correct its time, we should ______
पर्याय
reduce the mass of the bob.
reduce the amplitude of oscillation
reduce the length of the pendulum
increase the length of the pendulum
MCQ
रिकाम्या जागा भरा
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उत्तर
A pendulum clock is running fast. To correct its time, we should increase the length of the pendulum.
Explanation:
The period of a simple pendulum is given by
`T = 2pisqrt(ℓ/9)`
∴ T ∝ `sqrtℓ`
The period of oscillation will increase if the length is increased.
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