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Units & Measurement (GA Physics) Notes for SSC CGL, CHSL & Railways

Units & Measurement (GA Physics) Notes for SSC CGL, CHSL & Railways

Physical Quantity A physical quantity is a physical property of a phenomenon, body, or substance, that can be quantified by measurement. A physical quantity can be expressed as the combination of a magnitude (expressed by a number – usually a real number) and a unit. Unit of measurement A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of…

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