Assertion : A particle moving on a straight line with a uniform velocity, its angular momentum is constant.
Reason : The angular momentum is zero when particle moves with a uniform velocity.

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Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

Assertion is correct but Reason is incorrect.

Both Assertion and Reason are incorrect.

answer is C.

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Detailed Solution

The angular momentum of a particle is given by L=mvr.

If all the three quantities are constant the angular momentum will be constant.

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