the diffusion of oil through the wick
the liquid state of oil
capillary action phenomenon
volatility of oil
Answer is Right!
Answer is Wrong!
The correct answer is C. Capillary action phenomenon.
Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of, and in opposition to external forces like gravity. The liquid is drawn into the space due to intermolecular forces between the liquid and the surface of the material.
In the case of a lamp, the oil is drawn up the wick by capillary action. The wick is made of a material that has a high surface area, which allows the oil to be drawn up more easily. The oil is also attracted to the wick, which helps to pull it up.
The other options are not correct.
- Option A is incorrect because diffusion is the movement of molecules from an area of high concentration to an area of low concentration. This does not occur in the case of a lamp.
- Option B is incorrect because the liquid state of oil is not the reason why it rises up the wick. The reason is capillary action.
- Option D is incorrect because volatility is the tendency of a liquid to vaporize. This does not occur in the case of a lamp.