Advertisements
Advertisements
प्रश्न
What is meant by the renewable and non-renewable sources of energy? State two differences between them, giving two examples of each
Advertisements
उत्तर
Renewable: The natural sources providing us energy continuously are called renewable sources of energy.
Non-renewable: The sources of energy that have accumulated in nature over a very long period of time and cannot be quickly replaced when exhausted are called non-renewable sources of energy.
Difference:
|
Renewable sources |
Non-renewable sources |
|
They can be utilised continuously. |
They cannot be utilised once exhausted. |
|
Examples: Sun, Wind |
Example: Coal, Petroleum |
APPEARS IN
संबंधित प्रश्न
On what basis would you classify energy sources as
(a) renewable and non-renewable?
(b) exhaustible and inexhaustible?
Are the options given in (a) and (b) the same?
"The calorific value of cooking gas (LPG) is 50 kJ/g". What does it mean?
The fuel having the lowest calorific value is:
(a) coal
(b) wood
(c) charcoal
(d) kerosene
Name the original source of wind energy.
Fill in the following blank with suitable word:
Tidal waves build up and recede ........... a day.
What are renewable energy resources?
Write a short note on nuclear power.
Tidal energy is ______ type of energy.
Choose the odd one:
Match the items given in Column I with the items of Column II.
| Column I | Column II |
| (a) Used for road surfacing | (i) Black gold |
| (b) Natural gas | (ii) Vaseline and candles |
| (c) Petroleum | (iii) Bitumen |
| (d) Paraffin wax | (iv) CNG |
