An air bubble increases from the bottom of a well where the temperature is 27°C, to the surface where the temperature is 29°C. Find the percent increase in the volume of the bubble if the depth of the well is 7 m. Atmospheric pressure is 101.325 kPa. [γwater = 9.81 kN/m3]

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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.