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Distance

Assertion :If...

Question

Assertion :If the magnitude of displacement is zero, then it is not a vector quantity. Reason: A vector needs only magnitude to be defined.

A

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

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B

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

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C

Assertion is correct but Reason is incorrect

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D

Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
A physical quantity is said to be a vector only if it has both magnitude as well as direction.
Thus if the magnitude of displacement is zero, then it is not said to be a vector quantity.
Hence both the statements are correct and the reason explains the assertion very well.

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