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368

Q:

Does oil rise in the wick of the lamp because?

  • 1
    the oil is too light
  • 2
    due to capillary action
  • 3
    due to decrease in surface tension
  • 4
    oil is volatile
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  • Workspace

Answer : 2. "due to capillary action"
Explanation :

The correct answer is Capillary action. 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.

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