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प्रश्न
Renewable source of energy is :
विकल्प
coal
fossil fuels
natural gas
sun
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उत्तर
Renewable source of energy is : Sun
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संबंधित प्रश्न
Which fossil fuels were formed by the buried remains of small plants and animals?
What should be the minimum wind speed for the satisfactory working of a wind-powered electric generator?
Which of the following is needed for the formation of biogas from cow-dung and which not?
Water, Oxygen
What are the two ways in which cow-dung can be used as a fuel? Which of them is better and why?
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?
Which produced of the nuclear fission of uranium-235 is utilised to cause further fission of its nuclei?
How long are the energy resources of the earth like coal, petroleum and natural gas expected to last?
You have three unlabelled test tubes containing ethanol, ethanoic acid and soap solution. Explain the method you would use to identify the compounds in different test tubes by chemical tests using litmus paper and sodium metal.
Write a short note on nuclear power.
Which of the following is a pair of exhaustible natural resources?
