9th Class Science Work and energy Question Bank Work Power and Energy Summative Subjective Problems

  • question_answer
    Match the following
    Column-I Column-II
    (A) Power is defined as (1) watt
    (B) One Horse power (H.P) (2) 746 W
    (C) S.I unit of power is (3) 300 W
    (D) Power of an engine that supplies 18 kJ of energy per minute is (4) W/t
    (5) 0.746 kW

    Answer:

    a - 2; b - 4; c - 3, 4; d - 5


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