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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.
उत्तर
chemical energy
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संबंधित प्रश्न
Give one relevant example for the following transformation of energy:
Electrical energy to mechanical energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
A stretched wire
Differentiate between the potential energy (U) and the kinetic energy (K).
Select the renewable and non-renewable sources of energy from the following:
Wind
Name two examples in which the mechanical energy of a system remains constant.
Write the type of energy possessed in the following case:
A falling apple
State the energy changes which take place in Electricity is obtained from solar energy.
Name a device in which solar energy is converted into electricity state its two uses.
Calculate the kinetic energy of a body of mass 0.1 kg. and momentum 40kg m/s.
Match the pairs.
| Group 'A' | Group 'B' | ||
| (1) | Rolling object | (a) | Heat energy |
| (2) | Food | (b) | Atomic energy |
| (3) | Stretched bow | (c) | Kinetic energy |
| (4) | Sunlight | (d) | Potential energy |
| (5) | Uranium |
(e)
|
Chemical energy
|
