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

Diffusion of the oil through the wick

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Surface tension

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Buoyant force of air

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The gravitational pull of the wick

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Solution

The correct option is B
Surface tension

Kerosene oil rises up in the wick of a lantern because of capillarity which arises due to surface tension.

$∴$ Choice B is correct

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