Advertisements
Advertisements
प्रश्न
State the energy transformation on the following:
Electricity obtained from hydro energy.
Advertisements
उत्तर
The Kinetic energy changes into electricity.
APPEARS IN
संबंधित प्रश्न
What is the source of heat contained in geothermal energy?
Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?
Give one relevant example for the following transformation of energy:
Electrical energy to heat energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A piece of stone placed on the roof.
State two disadvantages of producing electricity from solar energy.
Name the energy changes for the following:
bicycle brakes
State the energy changes which take place when:
A bulb glows, when torchlight is switched on.
Give one example when:
Chemical energy to electrical energy.
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
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
|
