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प्रश्न
How much hydroelectric power is generated in India?
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उत्तर
At present only 23% of the total electricity is generated by the hydro energy.
संबंधित प्रश्न
Give one example of a body that has potential energy, due to its position at a height.
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
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?
How much electric power is generated in India using the wing energy?
A pebble is thrown up. It goes to a height and then comes back on the ground. State the different changes in form of energy during its motion.
What kind of energy is possessed in a situation when?
A horse running along a level road
What is dissipation of energy?
State the energy changes which take place when:
A magnesium ribbon burns in air.
State the energy changes which take place when:
During electrolysis.
Show that in case of a body falling freely under gravity, total mechanical energy remains conserved (neglect air resistance).
