Mechanical Properties of Fluids

Related Questions

• A body of density ${{d}_{1}}$is counterpoised by $Mg$ of weights of density ${{d}_{2}}$ in air of density $d$. Then the true mass of the body is

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• The excess pressure due to surface tension in a spherical liquid drop of radius r is directly proportional to

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• If $\sigma$ be the surface tension, the work done in breaking a big drop of radius $R$ in $n$ drops of equal radius is

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• When a body falls in air, the resistance of air depends to a great extent on the shape of the body, 3 different shapes are given. Identify the combination of air resistances which truly represents the physical situation. (The cross sectional areas are the same).

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• An inverted bell lying at the bottom of a lake $47.6 m$ deep has $50 cm^3$ of air trapped in it. The bell is brought to the surface of the lake. The volume of the trapped air will be (atmospheric pressure = $70 cm$ of $Hg$ and density of $Hg = 13.6 g/cm^3$)

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