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प्रश्न
State the energy changes which take place when:
Burning of coal.
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उत्तर
The chemical energy changes into heat energy.
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
Water flowing in a river.
Select the renewable and non-renewable sources of energy from the following:
Oil
Name three non-renewable sources of energy.
State the energy transformation on the following:
Electricity is obtained from wind energy.
What kind of energy is possessed in a situation when?
An electron spinning around the nucleus.
State the energy changes which take place when:
A stone projected vertically upwards, returns back to the thrower.
Give one example when:
Mechanical energy to heat energy.
Calculate the change in the Kinetic energy of a moving body if its velocity is reduced to 1/3rd of the initial velocity.
The major problem in harnessing nuclear energy is how to
