Advertisements
Advertisements
प्रश्न
Name a device in which solar energy is converted into electricity state its two uses.
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.
APPEARS IN
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
Select the renewable and non-renewable sources of energy from the following:
Oil
Name five renewable sources of energy.
A body of mass 5 kg falls from a height of 10 m to 4 m. Calculate:
The total energy possessed by the body at any instant? (Take g = 10 ms-2).
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
What kind of energy is possessed in a situation when?
A stone lying on the top of roof.
Write the type of energy possessed in the following case:
A falling apple
State the energy changes which take place when:
During electrolysis.
Give one example when:
Electric energy changes to sound energy.
The solar cooker is an application of the ______ energy of the sun, while solar cells, solar lamps are applications of the ______ energy of the sun.