Question Detail
Question
The tendency of a fluid to be raised or suppressed in a narrow tube is called what?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Capillary action is the name for the phenomenon where a liquid spontaneously rises or falls in a narrow space such as a thin tube (a capillary), due to the combined effects of adhesive and cohesive forces and surface tension.
Hint
This action is named after the thin tubes (capillaries) in which it is most prominently observed.