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प्रश्न
What is the main difference between renewable and non-renewable energy resources?
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उत्तर
Renewable Resources
- These are those resources that can be renewed in a short time.
- These do not cause any pollution to the environment.
- These are the free gifts of nature.
- Air, water, and solar energy are examples of renewable resources.
Non-Renewable Resources
- These are those resources that cannot be renewed in a short time.
- These cause pollution to the environment.
- These are not free gifts of nature.
- Coal, Petroleum, and some minerals are examples of non-renewable resources.
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संबंधित प्रश्न
What are the disadvantages of fossil fuels?
Name two energy sources that you would consider to be renewable. Give reasons for your choices.
"The ignition temperature of a fuel is 80°C". What does this mean?
State two important uses of natural gas
Which of the following is not a fossil source of energy?
(a) kerosene oil
(b) cow-dung cakes
(c) CNG
(d) coal
What should be the minimum wind speed for the satisfactory working of a wind-powered electric generator?
Apart from cattle dung, what other substances can be added to a biogas plant?
Name the major component of biogas.
Which of the following is not an example of a biomass energy source?
(a) wood
(b) biogas
(c) atomic energy
(d) cow-dung
What type of nuclear reaction is responsible for the liberation of energy:
in the sun?
How long are the energy resources of the earth like coal, petroleum and natural gas expected to last?
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
An energy efficient devices for producing light is:
(a) DLF
(b) CFL
(c) FCL
(d) LPG
State whether the following is True or False.
Renewable energy resources have limited supply in nature.
State whether the following is True or False.
Coal takes millions of years to form.
Which part of the solar cooker is responsible for greenhouse effect?
Write about Renewable resources.
Which of the following is a pair of exhaustible natural resources?
Coal is one of the ______ used to cook food.
Imagine that all the exhaustible natural resources are exhausted by human activities. Do you think survival of living beings would be possible? If yes, why? If not, why not?
