An open tank consists of 3 immiscible liquids, in which the water is at the height of 200 cm, above which a crude oil of specific gravity of 0.85 is filled up to a height of 1800 mm, above which a coconut oil of specific gravity of 0.86 is filled for about 5 m. Find (i) the intensity of pressure in kPa at the interface between coconut oil & crude oil (ii) the intensity of pressure in MPa at the interface between crude oil & water (iii) the intensity of pressure in N/cm2 at the bottom of the tank.

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.