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JAMB Physics 2010 Question 20

Question 20

Change of State and Vapours

The small droplet of water that forms on the grass in the early hours of the morning is

  1. A.dew.
  2. B.mist.
  3. C.fog.
  4. D.hail.
Show the answer and explanation

Answer: A (dew.)

Explanation

At night the grass cools below the dew point and water vapour condenses on it as droplets called dew.