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प्रश्न
State the energy changes which take place when:
A bulb glows, when torchlight is switched on.
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उत्तर
The chemical energy of cell changes to electric energy. The electric energy first changes to heat and finally to light energy.
संबंधित प्रश्न
What is geothermal energy?
Name the process used for producing electricity using nuclear energy.
State two uses of solar cells.
What is hydro energy?
Renewable source of energy is:
How is kinetic energy possessed by a moving body measured?
What kind of energy is possessed in a situation when?
A fish moving in the water.
A body of mass 0.2 kg falls from a height of 10 m to a height of 6 m above the ground. Find the loss in potential energy taking place in the body. [g = 10ms−2]
A body of mass m is taken from a height h to 2h. What is the increase in its potential 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.
