HC Verma - Concepts of Physics Part 1

Book: HC Verma - Concepts of Physics Part 1

Chapter: 12. Simple Harmonic Motion

Subject: Physics - Class 11th

Q. No. 20 of Objective I

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A pendulum clock keeping correct time is taken to high altitudes,

Time period of pendulum clock depend upon length of the pendulum and the gravitational field.

As time period of pendulum clock is given by.

When we take it to the high altitude the value of gravitational field decreases and time period increases.

To make the value of time period correct, the length of pendulum clock should be decreased so that the time period becomes constant.

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