Assertion :If the magnitude of displacement is zero, then it is not a vector quantity. Reason: A vector have both magnitude and direction.

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
A physical quantity is said to be a vector quantity if it has both magnitude and direction. So the reason statement is correct. But the assertion statement is incorrect. If the magnitude of displacement is zero, even then the displacement is termed as a vector quantity.
Thus option D is correct.

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