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What is 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.
For example, a meter is a unit of length and Celsius is a unit of temperature
Updated on: 10-Oct-2022
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