Question

what is mean by scalar quantity

Answer 1

Explanation:

Scalar Quantities: The physical quantities which are specified with the magnitude or size alone are scalar quantities. For example,  length, speed, work, mass, density, etc.

Answer 2

Answer:

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A scalar or scalar quantity in physics is one that can be described by a single element of a number field such as a real number, often accompanied by units of measurement. A scalar is usually said to be a physical quantity that only has magnitude, possibly a sign, and no other characteristics.