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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.
Fill in the following blank with a suitable word:
The amount of heat produce by burning a unit mass of a fuel completely is known as its ............ value.
An examples of a renewable source of energy is:
(a) petrol
(b) natural gas
(c) biogas
(d) kerosene
Name any one hydrocarbon fraction obtained during the fractional distillation of petroleum which is used as a domestic fuel.
What is the composition of liquefied petroleum gas (LPG)?
What is meant by conventional sources of energy? Write the names of two conventional sources of energy.
The main constituent of petroleum gas is:
(a) methane
(b) ethane
(c) butane
(d) propane
The natural gas consists mainly of:
(a) methane
(b) ethane
(c) propane
(d) butane
Which of the following is ultimately not derived from the sun's energy (or solar energy)?
(a) wind energy
(b) nuclear energy
(c) biomass energy
(d) ocean thermal energy
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.
Name five renewable and three non-renewable sources of energy.
Fill in the blank
Solar cells use the power supplied by the ______.
Can you tell?
What are the non-conventional energy resources?
Can you tell?
Why should we maximise the use of non-conventional energy resources?
Why should we conserve the non-renewable sources of energy?
Name two forms of sea energy.
Exhaustible natural resources are
Sunlight and air are inexhaustible natural resources. Comment.
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?
