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Assertion (A) : A null vector is a vector whose magnitude is zero and direction is arbitrary.
Reason (R) : A null vector does not exist.

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A is incorrect and R is correct

Both A and R are correct and R is the correct explanation of A

A is correct and R is incorrect

Both A and R are correct , but R is not the correct explanation of A

answer is C.

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Detailed Solution

A null vector is a vector whose magnitude is zero and direction is indeterminate it is

true

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