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प्रश्न
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
|
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उत्तर
| Group 'A' | Group 'B' | ||
| (1) | Rolling object | (c) | Kinetic energy |
| (2) | Food | (e) | Chemical energy |
| (3) | Stretched bow | (d) | Potential energy |
| (4) | Sunlight | (a) | Heat energy |
| (5) | Uranium |
(b)
|
Atomic energy
|
संबंधित प्रश्न
What is nuclear energy?
How many MeV are equivalent to 1 atomic mass unit (u)?
Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
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?
State whether a solar cell produces a.c. or d.c.
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
State two advantages and two disadvantages of using hydro-energy for producing electricity.
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A compressed spring
