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प्रश्न
State the energy changes which take place when:
In a heat engine.
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उत्तर
The heat energy changes to mechanical energy.
संबंधित प्रश्न
Which of the following produces more heat (per unit mass) on burning?
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A piece of stone placed on the roof.
Name the form of mechanical energy, which is put to use.
State the energy changes in the following case while in use:
an electric bulb
State two characteristic which a source of energy must have.
State two disadvantages of using nuclear energy for producing electricity.
Write the type of energy possessed in the following case:
A moving cricket ball.
Give one example when:
Heat energy changes to kinetic energy.
A body of mass m is taken from a height h to 2h. What is the increase in its potential energy?
Geothermal energy is:
