Mechanical Properties of Fluids questions
539 published questions with worked solutions.
- The lower end of a glass capillary tube is dipped in water. Water rises to a height of 8 cm. The tube is then broken at a height...
- What will be effect on surface tension (T) if highly soluble impurity is dissolved in water? [MHT-CET 2021]
- The work done in blowing a soap bubble of radius R is 'W₁' at room temperature. Now the soap solution is heated. From the heated...
- If excess pressure inside a water drop is 60 N/m^2 , the diameter of water drop is [surface tension of water =0.072 N/m ]...
- The velocity of a small ball of mass 'M' and density 'd₁' when dropped in a container filled with glycerine becomes constant...
- In a capillary tube having cross-section A, water rises to a height 'h'. If cross-sectional area is reduced to A 9 , the rise of...
- Water rises upto a height 10 cm in a capillary tube. It will rise to a height which is much more than 10 cm in a very long...
- A big water drop is divided into 8 equal droplets. P_s and P_B be the excess pressure inside a smaller and bigger drop...
- Water rises in a capillary tube of radius 'r' up to a height 'h'. The mass of water in a capillary is 'm'. The mass of water that...
- A drop of liquid of density 'ρ' is floating half immersed in a liquid of density 'd'. If 'T' is the surface tension, then the...
- A ball rises to the surface of a liquid with constant velocity. The density of the liquid is four times the density of the...
- If the terminal speed of a sphere A [density _A=7.5 kg ,m^ -3 ] is 0.4 ms^ -1 , in a viscous liquid [density _L=1.5 kg ,m^ -3 ],...
- The speed of a ball of radius 2 cm in a viscous liquid is 20 cm/s. What will be the speed of a ball of radius 1 cm in same...
- Water rises to a height of 2 cm in a capillary tube. If cross-sectional area of the tube is reduced to 1/16^ th of initial area...
- Work done in increasing the size of a soap bubble from radius of 3 cm to 5 cm in milijoule is nearly (surface tension of soap...
- A glass rod of radius 'r_1' is inserted symmetrically into a vertical capillary tube of radius 'r_2' (r_1 < r_2) such that their...
- Water rises upto a height of 4 cm in a capillary tube. The lower end of the capillary tube is at a depth of 8 cm below the water...
- Pressure inside two soap bubbles are 1.01 atm and 1.03 atm. The ratio between their volumes is (Pressure outside the soap bubble...
- A thin metal of disc of radius 'r' floats on water surface and bends the surface downwards along the perimeter making an angle '...
- The work done in blowing a soap bubble of radius 'R' is 'W_1' and that of radius '2R' is W_2. The ratio of W_1 to W_2 is [MHT-CET...
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