What are physical quantities?

Physical Quantity : 

* A physical quantity is the measurable property of an object or a system.

* Mass, time, speed, acceleration, temperature, force, pressure, power, energy and length are all physical quantities.

* Physical quantities are measured by comparing them with arbitrarily chosen internationally accepted standards called Units.

* Units are necessary to express physical quantities

 Example :   unit of length - meter

                      unit of temperature - Kelvin

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Updated on: 10-Oct-2022

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