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प्रश्न
Can you tell?
What are the various forms of energy?
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उत्तर
The various forms of energy include mechanical energy, heat energy, light energy, sound energy, gravitational energy, electrical energy, chemical energy, atomic energy, and nuclear energy.
संबंधित प्रश्न
Calculate the change in the Kinetic energy of a moving body if its velocity is reduced to 1/3rd of the initial velocity.
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:
A moving bus.
What is wind energy?
How is wind energy used to produce electricity?
What kind of energy is possessed in a situation when?
A fish moving in the water.
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
What happens to the K.E. when
(i) the mass of the body is doubled at a constant velocity and
(ii) the velocity of the body is doubled at constant mass?
State the energy changes which take place when:
In a heat engine.
State the energy changes which take place when:
Water freezes in the freezing chamber of a fridge.
