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प्रश्न
Write a short note on nuclear power.
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उत्तर
- Nuclear power is generated using radioactive minerals like uranium and thorium.
- It is a powerful source of energy and can generate electricity on a large scale.
- India has large deposits of thorium (Kerala monazite sands) and smaller reserves of uranium (Jharkhand, Rajasthan, Andhra Pradesh).
- Major nuclear power stations in India are located at Tarapur (Maharashtra), Rawatbhata (Rajasthan), Kalpakkam (Tamil Nadu), Narora (U.P.), Kakrapar (Gujarat), Kaiga (Karnataka), Kudankulam (Tamil Nadu).
- Nuclear energy is important for meeting India’s growing electricity needs and reducing dependence on coal and petroleum.
संबंधित प्रश्न
Name two energy sources that you would consider to be renewable. Give reasons for your choices.
State any four characteristics of a good source of energy.
Which of the following is not a renewable source of energy?
(a) wind
(b) flowing water
(c) fossil fuels
(d) fuel wood
The fuel having the lowest calorific value is:
(a) coal
(b) wood
(c) charcoal
(d) kerosene
Why is LPG considered a good fuel?
Why is LPG considered a better fuel than coal?
What are fossil fuels? Give three examples of fossil fuels.
The natural gas consists mainly of:
(a) methane
(b) ethane
(c) propane
(d) butane
The ultimate source of energy stored in fossil fuels is:
(a) moon
(b) earth
(c) sun
(d) sea
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
Name the device
Most of the sources of energy that we sue represent stored solar energy. Which of the following is not ultimately derived from the sun's energy?
(a) wind energy
(b) geothermal energy
(c) fossil fuels
(d) biomass
The major component of biogas is:
(a) hydrogen
(b) butane
(c) hydrogen sulphide
(d) methane
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?
Answer the following question.
Write the name of the main constituent of Biogas. Also, state its percentage.
Fill in the blank
__________ are examples of renewable energy resources.
Fill in the blank
_______is the coal with the highest percentage of coal.
Can you tell?
What is ‘green energy’?
Make a list of conventional and non-conventional sources of energy. Give a brief description of harnessing one nonconventional source of energy.
Why is there a need for harnessing non-conventional sources of energy? How can energy be harnessed from the sea in different ways?
Air is a natural resource and cannot be exhausted by human activities. It is known as inexhaustible natural resource. Which of the following is another inexhaustible natural resource?
