Measurement

Measurement


MEASUREMENT 
Measurement is the comparision of a  unknown quantity with the known or the standard quantity.


PHYSICAL QUANTITY
Those quantities  which can be measured is called physical quantity.


It is divided into two types :-
a) Fundamental quantity 
Those  quantity which are independently expressed itself without the help of other  quantity are called fundamental quantity .


b) Derived quantity
Those quantity which need other quantity to express itself is called derived quantity