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प्रश्न
State the energy changes which take place when:
In a heat engine.
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उत्तर
The heat energy changes to mechanical energy.
संबंधित प्रश्न
Define calorific value of a fuel.
Name the physical quantity measured in terms of horse power.
Two bodies A and B of masses m and M (M ≫ m) have same kinetic energy. Which body will have more momentum?
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
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?
What is the main energy transformation that occur in:
Photosynthesis in green leaves.
Name a device in which solar energy is converted into electricity state its two uses.
For the same kinetic energy of a body, what should be the change in its velocity if its mass is increased nine times?
Calculate the kinetic energy of a body of mass 0.1 kg. and momentum 40kg m/s.
Geothermal energy is:
