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प्रश्न
Name the two groups in which various sources of energy are classified?
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उत्तर
Renewable and Non-renewable sources of energy.
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संबंधित प्रश्न
A boy of mass m climbs up a staircase of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
Select the renewable and non-renewable sources of energy from the following:
Oil
Name the energy changes for the following:
pendulum
State the energy changes which take place when:
A battery lighting up a bulb.
Give one example when:
Electric energy changes to sound energy.
Give one example when:
Chemical energy changes to light energy.
A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic energy as its velocity becomes zero?
Can you tell?
What are the various forms of energy?
