Now we will study about some basic things of Physics:
- Physical quantities and Measurement
- Measurement of Volume
The amount of space occupied by an object is called its volume.The SI unit of volume is cubic meter.The volume of liquid is usually measured in litres or millilitres
2. Measurement of Area
The amount of surface covered by a closed shape is called its area.The SI unit of area is square meter.
3. Measurement of density
The density of a substance is defined as its mass per unit volume.
The SI unit of density is g/cm*cm
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