Question

Vectors are physical quantities which completely specified by______.

Options

• magnitude only

• number only

• direction only

• both magnitude and direction

Answer 1

Vectors are physical quantities which completely specified by both magnitude and direction.

Explanation:

Unlike scalars, vectors need both a size and a direction to be fully defined, e.g., "50 km/h north" is a vector, but "50 km/h" alone is not.