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प्रश्न
Observe the picture and put a tick (✓) if work is done and put a cross (x) if work is not done.
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उत्तर
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संबंधित प्रश्न
A certain household has consumed 250 units of energy during a month. How much energy is this in joules?
Write true or false of the following statement.
Potential energy changes into kinetic energy when it is put to use
Fill in the blank
An electric fan converts electrical energy into ______ energy.
Fill in the blank
The ability to do work is called ______
Select the correct alternatives
When we rub our hands
Select the correct alternatives
When a bulb lights up on passing current, the change of energy is
State two factors on which the potential energy of a body at a certain height above the ground depends.
What is energy?
If the energy of a ball falling from a height of 10 metres is reduced by 40%, how high will it rebound?
Define kilowatt hour.
