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प्रश्न
Give one example when:
Chemical energy changes to light energy.
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उत्तर
During the burning of magnesium, chemical energy changes to light energy.
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संबंधित प्रश्न
Define calorific value of a fuel.
Give one example to show the conversion of potential energy to kinetic energy when put in use.
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
State the changes in form of energy while producing hydro electricity.
State whether a solar cell produces a.c. or d.c.
Name the form of energy in which potential energy can change.
What do you understand by the kinetic energy of the body?
State the energy changes which take place when:
Photographic film is exposed to sunlight.
Give one example when:
Potential energy changes to electric energy.
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
