Mechanical Properties of Fluids questions
539 published questions with worked solutions.
- It is easier to spray water to which soap is added because addition of soap to water
- By adding soluble impurity in a liquid, angle of contact
- The potential energy of a molecule on the surface of a liquid compared to the molecules inside the liquid is
- Water rises in a capillary tube of radius 'r'upto a height 'h'. The mass of water in a capillary is 'm'. The mass of water that...
- A square frame of each side L is dipped in a soap solution and taken out, the force acting on the film formed is (T = surface...
- Water rises to a height 3 cm in a capillary tube. If cross-sectional area of capillary tube is reduced to 1/3^ rd of its initial...
- The angle of contact between glass and water is 0^ and water rises in a glass capillary upto 6 cm. (Surface tension of water is...
- Under isothermal condition, two soap bubbles of radii r_1 and r_2 combine to form a single soap bubble of radius R. The surface...
- One thousand small water drops of equal radii combine to form a big drop. The ratio of final surface energy to the total initial...
- A liquid is at rest in a container. In a sphere of influence, the liquid molecule at its centre is
- A closed pipe containing liquid showed a pressure P_1 by gauge. When the valve was opened, pressure was reduced to P_2. The speed...
- On the surface of the liquid in equilibrium, molecules of the liquid possess
- A water drop is divided into 8 equal droplets. The pressure difference between the inner and outer side of the big drop will be
- In most liquids, with rise in temperature, surface tension of a liquid
- When capillary is dipped vertically in water, rise of water in capillary is 'h'. The angle of contact is zero. Now the tube is...
- A soap bubble of radius 1 cm is expanded to radius 3 cm. Surface tension of soap solution is 25 dyne/cm. The work done during...
- In a capillary tube of area of cross-section 'a' water rises to height 'h' To what height will water rise in a capillary tube of...
- If the shape of the liquid surface is curved, then
- In case of fluid flowing on horizontal surface the flow of fluid becomes unsteady when Reynolds number (Rn) is
- A spherical object is falling under gravity through a viscous fluid. The sphere attains the terminal velocity when
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