Physics
What is meant by renewable and non-renewable sources of energy? State two differences between them, giving two examples of each.
Answer
Renewable sources of energy or non-conventional source are sources from which energy can be obtained continuously over a long period of time.
Non-renewable source of energy or conventional source are sources from which energy cannot be continuously obtained over a long period of time.
Difference between renewable and non-renewable sources of energy are as follows —
| Renewable sources of energy or non-conventional source | Non-renewable sources of energy or conventional source |
|---|---|
| These sources can be regenerated. | These sources cannot be regenerated. |
| These are natural sources which will not get exhausted. | These are natural sources which will get exhausted with time. |
| Example — Sun, wind, water etc. | Example — Coal, petroleum, natural gas. |
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