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Assertion (A): Raindrops do not grow indefinitely however long they remain in a cloud.
Reason (R): Aerodynamic distortion eventually overcomes surface tension and the drop breaks apart.

  • A.A is true but R is false
  • B.A is false but R is true
  • C.Both A and R are true, and R is the correct explanation of A
  • D.Both A and R are true, but R is not the correct explanation of A

Answer: C

Both are true and the reason gives the limiting process, and collisional breakup on impact with another drop contributes as well. The resulting fragments then act as new collectors themselves. The population settles towards a characteristic size distribution.

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