Q889
Rise of oil a wick is due to
A.
Density of the oil
B.
Viscosity of the oil
C.
Surface tension of the oil
AnswerD.
Pressure of the oil
Answer: Option C
Solution
Answer: Option C
Solution:
The phenomenon of rise or fall of liquid in a capillary tube is called capillarity. Oil rises through a wick due to capillarity. The narrow pores in the threads of a wick act like tiny capillaries, through which oil rises. Capillary action is the result of adhesion and surface tension.