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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 process used for producing electricity using nuclear energy.
(i) The conversion of part of the energy into an undesirable form is called ______________.
(ii) For a given height h, __________________ the length l of the inclined plane, lesser will be the effort required.
What do you understand by the potential energy of the body?
Write the type of energy possessed in the following case:
A moving cricket ball.
Give one example when:
Mechanical energy changes to electric energy.
A boy sits and stands repeatedly. Draw a graph showing the variation of potential energy with time.
A ball of mass 200 g falls from a height of 5 m. What will be its kinetic energy when it just reaches the ground? (g = 9.8 m s−2)
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
Can you tell?
What are the various forms of energy?
Find out the types of energy from the following puzzle.
