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Heat is associated with

  • A.K.e of random motion of molecules
  • B.K.e of orderly motion of molecules
  • C.Total k.e of random and orderly motion of molecules
  • D.None of these

Answer: A

Heat is associated with the kinetic energy of the random motion of molecules.

Temperature measures the average of that random kinetic energy. Orderly motion of the whole body is not heat but bulk kinetic energy: a moving cricket ball is not hotter for moving.

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