Question
Question: Consider a liquid contained in a vessel. The liquid solid adhesive force is very weak as compared to...
Consider a liquid contained in a vessel. The liquid solid adhesive force is very weak as compared to the cohesive force in the liquid. The shape of the liquid surface near the solid shall be
A
Horizontal
B
Almost vertical
C
Concave
D
Convex
Answer
Convex
Explanation
Solution
Cohesive force > Adhesive force, so shape of liquid surface near the solid would be convex.
For example mercury surface in glass capillary is convex.