Question

What do you mean by physical quantity ?in detail

Answer 1

A physical quantity is a quantity in physics that can be measured. Or a physical quantity is a physical property that can be quantified. Examples of physical quantities are mass, amount of substance, length, time, temperature, electric current, light intensity, force, velocity, density, and many others.

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Answer 2

A quantity which can be measured by us is known as physical quantity.A physical quantity has either magnitude unit direction of three or all in it.

For eg[u=refractive index only magnitude]

Force magnitude unit and direction

Speed magnitude and unit.