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Q.

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

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a

(A) is true but (R) is false

b

Both (A) and (R) are true and (R) is the correct explanation of (A)

c

Both (A) and (R) are false

d

Both (A) and (R) are true and (R) is not the correct explanation of (A)

answer is C.

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Detailed Solution

When resultant of vectors is zero , then the resultant vector is called as zero vector. It don't have any direction and its magnitude is zero.

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