Mechanical Properties of Fluids questions
539 published questions with worked solutions.
- In air, a charged soap bubble radius ‘r’ is in equilibrium having outside and inside pressures being equal. The charge on the...
- The wettability of a surface by a liquid depends primarily on -
- A certain number of spherical drops of a liquid of radius r coalesce to form a single drop of radius R and volume V. If 'T' is...
- The approximate depth of an ocean is 2700 m. The compressibility of water is 45.4 10^ -11 Pa ^ -1 and density of water is 10^3...
- A small sphere of radius 'r' falls from rest in a viscous liquid. As a result, heat is produced due to viscous force. The rate of...
- A soap bubble, having radius of 1 mm, is blown from a detergent solution having a surface tension of 2.5 10^ -2 N/m. The pressure...
- A small hole of area of cross-section 2 mm^2 is present near the bottom of a fully filled open tank of height 2 m. Taking g = 10...
- Liquid drops are falling slowly one by one from vertical glass tube. The relation between the weight of a drop 'w' the surface...
- A ball rises to surface at a constant velocity in liquid whose density is 4 times greater than that of the material of the ball....
- A streamline flow of a liquid of density 'ρ' is passing through a horizontal pipe of cross-sectional area A_1 and A_2 at two...
- The pressure inside a soap bubble A is 1.01 atmosphere and that in a soap bubble B is 1.02 atmosphere. The ratio of volume of A...
- Glycerine of density 1.25 10^3 , kg m^3 is flowing in conical shaped horizontal pipe. Cross-sectional area of the pipe at its...
- A steel ball of radius 6mm has a terminal speed of 12 cms^ -1 in a viscous liquid. What will be the terminal speed of a steel...
- A liquid drop of density ' ' is floating half immersed in a liquid of density d. If 'T' is the surface tension then the diameter...
- A metal ball of radius 9 10^ -4 m and density 10^4 kg/m ^3 fall freely under gravity through a distance 'h' and enters a tank of...
- A hemispherical portion of radius 'R' is removed from the bottom of cylinder of radius 'R'. The volume of the remaining cylinder...
- A water film is formed between two parallel wires of 10 cm length. The distance of 0.5 cm between the wires is increased by 1 mm....
- Water rises up to height 'x' in a capillary tube impressed vertically in water. When the whole arrangement is taken to a depth...
- Water rises to a height of 20 mm in a capillary tube of cross-sectional area 'A'. If the area of cross-section of the tube is...
- A liquid drop of density ' ' is floating half immersed in a liquid of density 'd'. Diameter of the liquid drop is ( > d, g =...
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