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प्रश्न
What is wind energy?
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उत्तर १
The kinetic energy of the moving large masses of air is called the wind energy.
उत्तर २
The blowing wind has kinetic energy is called wind energy.
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A compressed spring.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is just in the middle .
State two advantages of producing electricity from solar energy.
Name the form of energy in which potential energy can change.
A metal ball of mass 2kg is allowed to fall freely from rest from a height of 5m above the ground.
What the kinetic energy of the ball just before it hits the ground ?
Is it possible that a body may possess energy even when it is not in motion?
Name a device in which solar energy is converted into electricity state its two uses.
State the energy changes which take place when:
Water freezes in the freezing chamber of a fridge.
Give one example when:
Electric energy changes to potential energy.
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
