Question

unit and measurements notes
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Answer 1

Explanation:

The comparison of any physical quantity with its standard unit is called measurement.

Physical Quantities

All the quantities in terms of which laws of physics are described, and whose measurement is necessary are called physical quantities.

Units

A definite amount of a physical quantity is taken as its standard unit.

The standard unit should be easily reproducible, internationally accepted.

Fundamental Units

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

Answer 2

Answer:

which class

Explanation:

please mark as a brain list