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संबंधित प्रश्न
State one important advantage and disadvantage each of using nuclear energy for producing electricity.
State two disadvantages of geothermal energy.
Write true or false of the following statement.
The energy of flowing water can be converted into electric energy (electricity).
State two advantages of producing electricity from solar energy.
Name two examples in which the mechanical energy of a system remains constant.
Write the type of energy possessed in the following case:
A falling apple
State the energy changes which take place when:
Photographic film is exposed to sunlight.
A ball of mass 200 g falls from a height of 5 m. What will be its kinetic energy when it just reaches the ground? (g = 9.8 m s−2)
A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic energy as its velocity becomes zero?
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A compressed spring
