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प्रश्न
State two advantages of geothermal energy.
उत्तर १
Two advantages of geothermal energy are given below.
1. It is economical to use.
2. It does not cause any pollution.
उत्तर २
Advantages of using geothermal energy are following:
- It is easily accessible due to its widespread distribution.
- It is environmentally benign, emitting low levels of sulphur and carbon dioxide.
- It is not affected by external factors such as supply and demand or currency rate variations.
- It is unaffected by weather and season.
संबंधित प्रश्न
What is nuclear energy?
Select the correct alternatives
A ball rolling on the ground possesses
Name five different forms of energy.
A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.
Name the energy changes for each of the following cases:
dynamo
State the energy changes which take place when:
A toy car spring is wound and car is made to run on level floor.
Give one example when:
Chemical energy changes to light energy.
A ball of mass 200 g falls from a height of 5 m. What will be its kinetic energy when it just reaches the ground? (g = 9.8 m s−2)
For the same kinetic energy of a body, what should be the change in its velocity if its mass is increased nine times?
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
|
