GK
PHYSICS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Oil raise up the wick in a lamp. The principle involves
|
|
volatility of oil
|
|
|
the liquid state of oil
|
|
|
capillary action phenomenon
|
|
|
the diffusion of oil through the wick
|
Explanation:
Detailed explanation-1: -The raise of oil up the wick in a lamp is an example of capillary action where adhesive forces are greater than cohesive forces.
Detailed explanation-2: -Due to surface tension of oil capillary rise can be seen in cotton wick which makes lamp to burn.
Detailed explanation-3: -This is due to capillarity. Oil rises up through the narrow capillary tubes in the cotton wick.
There is 1 question to complete.