Question

Why S.I unit is important for measuring any physical quantity?Explain with examples

Answer 1

Explanation:

A physical quantity is a property of a material or system that can be quantified by measurement. A physical quantity can be expressed as the combination of a numerical value and a unit. For example, the physical quantity mass can be quantified as n kg, where n is the numerical value and kg is the unit.A physical quantity possesses at least two characteristics in common, one is numerical magnitude and other is the unit in which it is measured.