Question

what is a physical quantity?
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Answer 1

Answer:

A physical quantity is a property of a material or system that can be quantified by measurement. A physical quantity can be expressed as the combination of a magnitude and a unit. For example, the physical quantity mass can be quantified as n kg where n is magnitude and kg is the unit.

Answer 2

A Physical Quantity is defined as a measurable quantity in terms of which the general laws of Physics can be described...

A Unit is defined as an internationally accepted, arbitrarily chosen, basic reference standard of a physical quantity, which is of the same nature as is the quantity being measured...

The Dimensions of a physical quantity are defined as the exponents or the indices to which the fundamental or the base quantities are raised in order to represent that particular quantity...

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