Answers

2015-05-08T16:44:45+05:30
Measurement is an act of measure physical quantity.
Physical quantity:- Those quantity which can be measured by any mean of method is called physical quantity.for example mass can be measure by weighting machine
Fundamental units:Those quantity which cannot be derived from another physical quantity is known as fundamental physical quantity and unit of those quantity is known as fundamental units. for example sec unit of time,Hertz unit of freequency

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