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प्रश्न
What do you understand by the potential energy of the body?
उत्तर
The potential energy of a body is the energy possessed by the body by virtue of its state or position.
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संबंधित प्रश्न
What is the source of heat contained in geothermal energy?
Can a body possess energy even when it is not in motion ? Explain your answer with an example.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
Give one disadvantage of using a solar cell.
State two disadvantages of producing electricity from solar energy.
Name the energy changes for the following:
pendulum
Give one example when:
Heat energy changes to kinetic energy.
Give one example when:
Sound energy changes to electric energy.
Two bodies, A and B of equal mass are kept at heights 20 m and 30 m respectively. Calculate the ratio of their potential energies.
Match the pairs.
| Group 'A' | Group 'B' | ||
| (1) | Rolling object | (a) | Heat energy |
| (2) | Food | (b) | Atomic energy |
| (3) | Stretched bow | (c) | Kinetic energy |
| (4) | Sunlight | (d) | Potential energy |
| (5) | Uranium |
(e)
|
Chemical energy
|
