The fluid will rise in capillary when the capillary is placed in fluid, if
Answers
i have no clue im sorry
Answer:
the adhesion force between molecules of fluid and tube is more than the cohesion between liquid molecules
Explanation:
Capillary action comes about as a consequence of both the adhesive forces between the liquid and the tube and the surface tension of the liquid.
The molecules at the surface of the sample of liquid are not surrounded by other water molecules. The molecules inside the sample are surrounded by other molecules.
The unbalanced attraction of molecules at the surface of a liquid tends to pull the molecules back into the bulk liquid leaving the minimum number of molecules on the surface. It requires energy to increase the surface area of a liquid because a larger surface area contains more molecules in the unbalanced situation.
If u make a comparison between water and mercury, the intermolecular force of mercury molecules (cohesive force) is higher than that of the adhesion (existing between glass and liquid), so mercury falls in a capillary tube.
Hope that helps!
