Assertion (A): A physical quantity which can be described with both magnitude and direction is called as a vector quantity. Reason (R): All vector quantities are derived quantities.

Options

A. A and R are correct and R is the correct explanation for A
B. A and R are correct but is not the correct explanation for A
C. A is correct but R is incorrect.
D. Both A and R are incorrect.

Answer

C

Explanation

All vector quantities need not be derived quantities. For example, displacement is a vector quantity but it is not a derived quantity. The statement given as a reason is incorrect. But the assertion is correct.