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प्रश्न
Name a device in which solar energy is converted into electricity state its two uses.
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उत्तर
Solar cell.
Its two uses are:
(i) All artificial satellites and space probes mainly depend upon electricity generated by solar cells.
(ii) Solar cells are used for lighting, operating water pumps, running radio and television sets in remote areas and traffic signals, etc.
संबंधित प्रश्न
State the energy change in the following device while in use:
A loudspeaker
Name the process used for producing electricity using nuclear energy.
Can a body possess energy even when it is not in motion ? Explain your answer with an example.
Give one relevant example for the following transformation of energy:
Electrical energy to mechanical energy.
Name the form of mechanical energy, which is put to use.
What is solar energy?
Name the form of energy in which potential energy can change.
What do you understand by the kinetic energy of the body?
State two advantages and disadvantages of using nuclear energy for producing electricity.
State the energy changes which take place when:
Food is digested by animals.
