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प्रश्न
Give one example when:
Mechanical energy to heat energy.
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उत्तर
Rubbing of palms.
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A moving cricket ball.
State the energy changes in the following case while in use:
an electric bulb
State the energy changes in the following case while in use:
an electric toaster.
How is the solar energy used to generate electricity in a solar power plant?
State two advantages and disadvantages of using nuclear energy for producing electricity.
State the energy changes which take place when:
In a heat engine.
Give one example when:
Sound energy changes to electric energy.
A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic energy as its velocity becomes zero?
Use your brain power!
Why do tablets of camphor decrease in size day by day?
A good fuel should possess:
