Question

Qno2: Define Physical quantities? Write down it’s types and give exampleas

Answer 1

Answer:

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.

EX-mass, amount of substance, length, time, temperature, electric current, light intensity, force, velocity, density,

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