Physics questions
20027 published questions with worked solutions.
- A force of 50 N is applied to the smaller piston of a hydraulic press. If the diameters of the piston are in the ratio 5:1, the...
- If a capillary tube is immersed vertically in water, rise of water in capillary is h_1. When the whole arrangement is taken to a...
- Which one of following statements about the angle of contact ( ), is wrong? [MHT-CET 2023]
- A water drop of radius R splits into n smaller drops, each of radius r. The work done in the process is (T = surface tension of...
- The upward force of 105 dyne due to surface tension is balanced by the force due to the weight of the water column and h is the...
- A U tube with limbs of diameters 5 mm and 2 mm contains water of surface tension 7 10^ -2 N/m, angle of contact is zero and...
- A soap bubble is blown such that its diameter increases from d to D. The amount of work done is (T = surface tension of soap...
- 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...
- A metal sphere of radius R and density _1 is dropped in a liquid of density and moves with terminal velocity V. Another metal...
- In a sphere of influence, the liquid molecule at its centre is [MHT-CET 2023]
- Due to surface tension, the excess pressure inside a smaller drop is 9 units. If 27 smaller drops combine, then the excess...
- Water rises to a height 3 cm in a capillary tube. If cross-sectional area of capillary tube is reduced to 1 9 th of the initial...
- A metal sphere of mass m and density _1 falls with terminal velocity through a container containing liquid. The density of liquid...
- Water rises to height 2.2 cm in glass capillary tube. The height to which same water rises in another capillary having 1/4th area...
- In a sphere of influence, the liquid molecule at its centre is [MHT-CET 2023]
- 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...
- The work done in blowing a soap bubble of radius R is W. The work done in blowing a bubble of radius 2R of the same soap solution...
- 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 will...
- A small metal sphere of mass M and density d_1, when dropped in a jar filled with liquid moves with terminal velocity after some...
- When a capillary tube is immersed in water vertically, water rises to a height h inside the tube. If the radius of another...