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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
Give the names of two energy sources that you would consider to be exhaustible. Give reasons for your choices.
Classify the following into renewable and non-renewable sources of energy:
Coal, Wind, Tides, Petroleum,Wood, Natural gas
Coal is said to be formed from the wood of trees. Why then is coal considered to be a non-renewable source of energy whereas wood is a renewable source of energy?
An examples of a renewable source of energy is:
(a) petrol
(b) natural gas
(c) biogas
(d) kerosene
A non-renewable source of energy is:
(a) wood
(b) alcohol
(c) hydrogen gas
(d) natural gas
A good fuel is one which possesses:
(a) high calorific value and low ignition temperature
(b) high calorific value and high ignition temperature
(c) high calorific value and moderate ignition temperature
(d) low calorific value and moderate ignition temperature
Write the full forms of CNG and LPG.
What are fossil fuels? Give three examples of fossil fuels.
The natural gas consists mainly of:
(a) methane
(b) ethane
(c) propane
(d) butane
What should be the minimum wind speed for the satisfactory working of a wind-powered electric generator?
What are the raw materials used for making biogas?
When the material A mined from the earth is heated strongly in an insufficient supply of air, it produces a solid fuel B which consists mainly of carbon. When another material C obtained from trees is heated in an insufficient supply of air, it produces another solid fuel D which also consists mainly of carbon. Name A, B, C and D
What type of nuclear reaction is responsible for the liberation of energy:
in a nuclear reactor?
How long are the energy resources of the earth like coal, petroleum and natural gas expected to last?
Select the renewable and non-renewable sources of energy from the following :
- Coal
- Wood
- Water
- Diesel
- Wind
- Oil
Name five renewable and three non-renewable sources of energy.
Fill in the blank
Solar cells use the power supplied by the ______.
Name a few major producers of petroleum in the world.
Choose the odd one:
Make a list of conventional and non-conventional sources of energy. Give a brief description of harnessing one nonconventional source of energy.
