Question

A physical quantity is not called as a vector if it's magnitude is zero true or flase​

Answer 1

assertion is false but reason is true.

Explanation:

If a vector quantity has zero magnitudes then it is called a null vector. Thus quantity may have the same direction even if its magnitude is zero.

hence,

Answer 2

Answer:

True

A physical quantity cannot be called as a vector if its magnitude is zero

Reason :A vector has both, magnitude and direction.