πŸ“Š Physics
Q. The surface of water in a pond remains cool even on a hot day because
1.water evaporates at the surface and evaporation causes cooling
2.the heat absorbed at the surface is transmitted downwards
3.water in contact with the bottom of the pond becomes cool and rises to the surface due to convection.
Which of the above statements is/are correct?
  • (A) 1 and 3
  • (B) 1 only
  • (C) 1, 2 and 3
  • (D) 3 only
βœ… Correct Answer: (B) 1 only

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