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PhysicsJEE Main 22 Jan 2026, Shift 2·Q9·MCQ·Easy–moderate

Mechanical Properties of Fluids · Surface tension

When a part of a straight capillary tube is placed vertically in a liquid, the liquid rises upto certain height h. If the inner radius of the capillary tube, density of the liquid and surface tension of the liquid decrease by 1 % each, then the height of the liquid in the tube will change by %.
  1. (1)−1-1
  2. (2)+3+3
  3. (3)−3-3
  4. (4)+1+1
We corrected a printing error in the original paper

Source printed “the liquid raises upto certain height”.

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