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The camparison of any physical quantity with its standard unit is called measurment.
 

Physical Quantities:

All the quantities which can be measured directly or indirectly in terms of which the law of physics are described called physical quantities.

Units:

A standard amount of a physical quantity chosen to measure the physical quantity of the same kind is called physical unit. It should be easily reproducible, internationaly accepted.

Fundamental Quantities and Their Units:

Those physical quantities which are independent to each other are called fundamental quantities and their units are called fundamental units.




Units and Measurment class 11 Physics chapter 1 notes pdf download


The camparison of any physical quantity with its standard unit is called measurment.
 

Physical Quantities:

All the quantities which can be measured directly or indirectly in terms of which the law of physics are described called physical quantities.

Units:

A standard amount of a physical quantity chosen to measure the physical quantity of the same kind is called physical unit. It should be easily reproducible, internationaly accepted.

Fundamental Quantities and Their Units:

Those physical quantities which are independent to each other are called fundamental quantities and their units are called fundamental units.




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