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प्रश्न
State the energy changes which take place when:
Water freezes in the freezing chamber of a fridge.
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उत्तर
The kinetic energy of water molecules is released in the form of heat energy.
संबंधित प्रश्न
How many MeV are equivalent to 1 atomic mass unit (u)?
Fill in the blank
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Name the energy changes for the following:
electric ball
State the energy changes which take place when:
A toy car spring is wound and car is made to run on level floor.
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
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