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Which of the diagram shown in figure re...

Which of the diagram shown in figure represents variation of total mechanical energy of a pendulum oscillating in air as function of time?

A

B

C

D

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Verified by Experts

The correct Answer is:
C
When a pendulum oscillates in air ,it will lose energy continuously due to air resistance . Thus , mechanical energy of the pendulum decreases continuously with time .
The fluctuation is represented by curve
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