Multiple Choice Questions on Rahul takes 1 minute to raise a box to a height of 1 metre and Rohan takes 1 2 minute to do so Comme........... for General Studies (Level 1) Preparation

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Multiple Choice Questions

Rahul takes 1 minute to raise a box to a height of 1 metre and Rohan takes 1 2 minute to do so Comme...........

General Science (Easy) Physics
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    Rahul takes 1 minute to raise a box to a height of 1 metre and Rohan takes 1/2 minute to do so. Comment on the energy by the two.

    Energy spent by the Rahul is more

    Incorrect Answer

    Energy spent by both Rahul and Rohan is same

    Correct Answer

    Energy spent by the Rohan is more

    Incorrect Answer

    Cannot be said

    Incorrect Answer
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    Explanation:

    Energy spent by both Rahul and Rohan is same.

    -Energy required=mgh

    In both cases h is the same. Hence energy given by both is the same. It should be noted  that powers are different because power is the  rate of change of energy.

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