Question

what is definitions of physical quantity​

Answer 1

Answer:

A physical quantity is a property of a material or system that can be quantified by measurement. ... For example, the physical quantity mass can be quantified as n kg, where n is the numerical value and kg is the unit

Answer 2

Answer:

A physical quantity is a property of a material or system that can be quantified by measurement. A physical quantity can be expressed as a value, which is the algebraic multiplication of a numerical value and a unit

The present SI has seven base quantities: time, length, mass, electric current, thermodynamic temperature, amount of substance, and luminous intensity.

Hope it will help you