Question

define physical quantity and magnitude. give examples​

Answer 1

Answer:

Physical quantities are anything that can be quantified. That is, anything that can be given a magnitude, even if it has no associated unit (dimensionless quantity). For example, a radian is a dimensionless quantity. It does not change in magnitude.

EXAMPLES -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 magnitude and a unit. For example, the physical quantity mass can be quantified as n kg where n is magnitude and kg is the unit.