What does a scalar quantity have?

Correct option is B

The correct answer is (b) Only magnitude.
· A scalar quantity is defined as a physical quantity that has only magnitude and no direction.
· Scalars are fully described by their magnitude, which is a numerical value, and do not involve any directional component.
· Examples of scalar quantities include temperature, mass, time, and speed, as they are described solely by their size or amount without any consideration of direction.
Additional Knowledge:
· Either direction or magnitude: This option is incorrect because scalar quantities do not have a directional component.
· Only direction: Direction alone does not define a physical quantity; it must be paired with magnitude to represent a vector.
· Both magnitude and direction: This defines a vector quantity, not a scalar.