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Q. Oil raise up the wick in a lamp. The principle involves

  • (A) the diffusion of oil through the wick
  • (B) the liquid state of oil
  • (C) capillary action phenomenon
  • (D) volatility of oil
  • Correct Answer - Option(C)
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Explanation by: Admin

The raise of oil up the wick in a lamp is an example of capillary action where adhesive forces are greater than cohesive forces.

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