1)

Kerosene oil rises up in a wick of a lantern because of


A) diffusion of the oil through the wick

B) Capillary action

C) buoyant force of air

D) the gravitational pull of the wick

Answer:

Option B

Explanation:

Kerosene oil rises up in wick of a lantern because of capillary action. If the surface tension of oil is zero, then it will not rise, so oil rises up in a wick of a lantern due to surface tension.