Q864
The oil in the wick of an oil lamp rises up due to:
A.
Capillary action
AnswerB.
Low viscosity of oil
C.
Gravitational force
D.
Pressure difference
Answer: Option A
Solution
Answer: Option A
Solution:
The oil in the wick of an oil lamp rises up due to capillary action. This effect is due to surface tension of liquids. The wick here acts as a capillary tube.