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प्रश्न
Select the correct alternatives
The energy stored in an electric cell is
विकल्प
chemical energy
electrical energy
heat energy
mechanical energy.
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उत्तर
chemical energy
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संबंधित प्रश्न
(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.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving cricket ball
What is wind energy?
Write the type of energy possessed in the following case:
A bent bow
How much hydro-electric power is generated in India?
State two advantages and two disadvantages of using hydro-energy for producing electricity.
State the energy changes which take place when:
A car moves up a hill.
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
Calculate the kinetic energy of a body of mass 0.1 kg. and momentum 40kg m/s.
Find out the types of energy from the following puzzle.
