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Mechanical Properties of Fluids
Question
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An air bubble is released from the bottom of tank. What happens to the size of air bubble as it rises upward in the tank?

Answer

When an air bubble is released from the bottom of the tank, as the bubble rises up, the pressure inside the bubble decreases and hence the size of bubble expands.

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Some More Questions From Mechanical Properties of Fluids Chapter

Why solids have definite shape while liquids do not have definite shape?

What is fluid?

What is hydrostatics?

What is hydrodynamics?

Can fluids withstand tangential stress?

Can fluids withstand normal stress?

Why the fluids do not have any modulus of rigidity?

Which phase of fluid is more compressible?

What is an ideal liquid?

Do liquids exert pressure?