Floatation–Density and Relative Density | Class 9
DensityWe describe the lightness or heaviness of different substances by using the word density. The density of a substance is…
DensityWe describe the lightness or heaviness of different substances by using the word density. The density of a substance is…
Pressure and Fluids All liquids and gases are called as fluids. A solid exerts pressure on a surface due to…