Assertion :The time period of a simple pendulum is independent of its length. Reason: The length of a pendulum is the distance between point of suspension and centre of the bob

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is D Assertion is incorrect but Reason is correct
The time period of a simple pendulum is given by ,
$T = 2 π \sqrt{l / g}$ ,
where $l =$ distance between point of suspension and center of bob (center of gravity)
It is clear that time period $T$ of simple pendulum depends on its length $l$ , hence assertion is incorrect but reason is correct .

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