Advertisements
Advertisements
प्रश्न
Give one example when:
Mechanical energy to heat energy.
Advertisements
उत्तर
Rubbing of palms.
संबंधित प्रश्न
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is just in the middle .
How is the solar energy used to generate electricity in a solar power plant?
Renewable source of energy is:
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.
State two advantages and disadvantages of using nuclear energy for producing electricity.
State the energy changes which take place when:
Electricity obtained from nuclear energy.
State the energy transformation on the following:
Electricity obtained from hydro energy.
Draw a diagram to show the energy changes in an oscillating simple pendulum. Indicate in your diagram how the total mechanical energy in it remains constant during the oscillation.
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
|
