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Q.

(A) : A physical quantity cannot be called as a vector if its magnitude is zero.
(R) : A vector has both magnitude, direction without satisfying vector addition properties.

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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 D.

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Detailed Solution

Null vector has zero magnitude.

A vector must follow laws of vector addition.

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