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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
Geothermal energy is produced by the:
(a) fission of radioactive materials
(b) burning of coal inside the coal mines
(c) combustion of natural gas deep inside the earth
(d) fusion of radioactive substances
Name the type of energy (kinetic or potential) possessed by the following:
Water flowing in a river.
State whether a solar cell produces a.c. or d.c.
State two advantages of producing electricity from solar energy.
State two advantages of using wind energy for generating electricity.
What do you understand by the potential energy of the body?
Give two examples each of renewable and non-renewable sources of energy?
How much hydro-electric power is generated in India?
Give one example when:
Electric energy changes to mechanical energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving bus
