2. Questions Bank
  3. 9th Class
  4. Science
  5. Work and energy

9th Class Science Work and energy Question Bank Work, Energy and Sound

  • question_answer
    If an electric tubelight of 40 watt is lighted for 3 hours daily, how much KWh energy would be consumed?

    A) 120 Kwh                       

    B) 1200 Kwh

    C) 0.12 Kwh          

    D)        13.6 Kwh

    E) None of these

    Correct Answer: C

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