Q42
Oil raise up the wick in a lamp. The principle involves
A.
the diffusion of oil through the wick
B.
the liquid state of oil
C.
capillary action phenomenon
AnswerD.
volatility of oil
Answer: Option C
Solution
Answer: Option C
Solution:
The raise of oil up the wick in a lamp is an example of capillary action where adhesive forces are greater than cohesive forces.