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प्रश्न
What is meant by the renewable and non-renewable sources of energy? State two differences between them, giving two examples of each
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 |
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संबंधित प्रश्न
A non-renewable source of energy is:
(a) wood
(b) alcohol
(c) hydrogen gas
(d) natural gas
LPG consists mainly of:
(a) butane
(b) ethane
(c) butanone
(d) methane
What is the function of anaerobic micro-organisms such as anaerobic bacteria in a biogas plant?
A certain form of energy is available due to the difference in the temperature of water at the surface of the ocean and its deeper levels.
(a) Name the form of energy.
(b) Is this energy ultimately derived from the sun or not?
(c) Explain how this form of energy can be converted into electricity.
(d) What is the minimum temperature difference in water at the surface of ocean and its deeper level which is required to operate power plants based on is energy?
What type of nuclear reaction is responsible for the liberation of energy:
in the sun?
The fossil fuel whose known reserves in the earth are expected to last for the minimum period is:
(a) coal
(b) uranium
(c) petroleum
(d) natural gas
Choose the correct answer.
Windmills have been used for many centuries in
State whether the following is True or False.
China, the USA, and Spain are major producers of wind energy.
Higher Order Thinking Skill (HOT)
What are the objectives for replacing non-conventional energy resources from conventional energy resources?
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
