The rising of a liquid in an open and ended glass tube of narrow bore is
A
osmosis
B
adhesion
C
capillarity
D
surface tension
Verified Correct Answer: C.
Physical Principles & Numerical Solution
Capillarity, or capillary action, occurs when a liquid rises in a narrow space due to the adhesive forces between the liquid and the surface of the tube and the cohesive forces within the liquid itself.
Source: Myschool Past Questions Archive (Record #35648)