A physical variable that is identifiable by either a single value or magnitude is known as a
A) number.
B) matrix.
C) scalar.
D) vector.

Question

Quizplus · Accepted Answer

A scalar is a physical quantity that is fully described by a single value, such as temperature or mass. A vector, on the other hand, has both magnitude and direction, such as velocity or force. A matrix is a rectangular array of values or quantities. While a number can refer to a scalar, it is too general of a term to be a specific answer.

A Physical Variable That Is Identifiable by Either a Single