Advertisements
Advertisements
प्रश्न
What kind of energy is possessed in a situation when?
Water stored in dams.
Advertisements
उत्तर
Potential Energy.
संबंधित प्रश्न
A certain form of energy which is not sourced directly or indirectly from the sun and does not cause any pollution is very easily converted into electricity. This form of energy is, however, not available everywhere. Moreover, it is technically very difficult and expensive to obtain it. Name the form of energy.
State different forms of potential energy and give one example of each.
State two characteristic which a source of energy must have.
How much electric power is generated in India using the wing energy?
Is it possible that a body may possess energy even when it is not in motion?
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
Give one example when:
Electric energy changes to potential energy.
For the same kinetic energy of a body, what should be the change in its velocity if its mass is increased nine times?
A ball of mass 50 g falls from a height of 2m and rebounds from the ground to 1.6 m. Find:
(i) The potential energy possessed by the ball when initially at rest.
(ii) The kinetic energy of the ball before it hits the ground.
(iii) The final potential energy of the ball.
(iv) The loss in kinetic energy of the ball on collision. (Take: g = 10N kg−1)
Nuclear fission is
