9th Class Science Work and energy

  • question_answer 39)
      Which one of the following is not the unit of energy? (a) Joule                               (b) Newton metre           (c) Kilowatt                         (d) Kilowatt hour

    Answer:

      (c) We know that, joule, newton metre and kilowatt hour are the units of energy and the kilowatt is the unit of power.


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