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प्रश्न
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
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उत्तर
Kinetic energy (K)
संबंधित प्रश्न
State two disadvantages of geothermal energy.
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
How many MeV are equivalent to 1 atomic mass unit (u)?
State the changes in form of energy while producing hydro electricity.
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
State the energy transformation on the following:
Electricity is obtained from wind energy.
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:
Photographic film is exposed to sunlight.
Give one example when:
Sound energy changes to electric energy.
Give one example when:
Chemical energy changes to light energy.
