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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.
In an electric fan, electrical energy changes into the mechanical energy.
Write true or false of the following statement.
Potential energy changes into kinetic energy when it is put to use
Write true or false of the following statement.
One form of energy cannot be converted into another form.
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
A certain household consumes 650 units of electricity in a month. How much is this electricity in joules?
We make useful objects from a variety of substances. Another use of substances is that we get energy from some of them.
When we have run a long distance, we feel tired. We have to stop. Why is that?
Running water possesses ______.
What energy transfer happen in a car engine?
