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name two physical quantities
Any quantity that can be measured is called a physical quantity.For example :length,time and volume,etc.The magnitude of a physical quantity does not change with the change in the system of units.
There are a very large number of physical quantities encountered in the physical world.The technique to measure any of the physical quantities would  depend upon two principal factors,that is
(i) the magnitude of the physical quantity to be measured.
(ii) the accuracy of precision required in the measurement.


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