Advertisements
Advertisements
प्रश्न
State two disadvantages of using wind energy for generating electricity.
Advertisements
उत्तर
Disadvantages of using wind energy:
1. The establishment of a wind farm is expensive.
A large area of land is needed for the establishment of a wind farm.
संबंधित प्रश्न
State the energy change in the following device while in use:
A loudspeaker
Name the type of energy (kinetic or potential) possessed by the following:
Water flowing in a river.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
Name six different forms of energy?
What is meant by the renewable and non-renewable sources of energy? Distinguish between them giving two examples of weach.
Select the renewable and non-renewable sources of energy from the following:
Oil
Name five renewable sources of energy.
Give three examples of bodies possessing kinetic energy.
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
|
Ocean thermal energy is due to
