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प्रश्न
Write a short note on nuclear power.
उत्तर
Nuclear power is also known as atomic energy. The disintegration of radioactive elements such as uranium and thorium releases nuclear power. Nuclear power is the energy obtained either through fusion or fission.
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संबंधित प्रश्न
What are the disadvantages of fossil fuels?
What is meant by a non-renewable source of energy? Give two examples of non-renewable source of energy.
Classify the following into renewable and non-renewable sources of energy:
Coal, Wind, Tides, Petroleum,Wood, Natural gas
The fuel having the lowest calorific value is:
(a) coal
(b) wood
(c) charcoal
(d) kerosene
Name any one hydrocarbon fraction obtained during the fractional distillation of petroleum which is used as a domestic fuel.
Which gaseous fuel is being used increasingly in transport vehicles like cars and buses these days?
What are the various steps which can be taken to control (or reduce) pollution caused by burning fossil fuels?
Why is the leakage of LPG detected easily although it is odourless? State the steps to be taken in case its leakage is detected in the kitchen.
The main constituent of petroleum gas is:
(a) methane
(b) ethane
(c) butane
(d) propane
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.
How does this device help in controlling air pollution?
Apart from cattle dung, what other substances can be added to a biogas plant?
What is biomass? Give three examples of biomass.
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
Name five renewable and three non-renewable sources of energy.
Tidal energy is ______ type of energy.
Which among the following is the non-renewable resources?
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
Which of the following is a pair of exhaustible natural resources?
Fill in the blanks in the following sentence.
Coal is one of the ______ used to cook food.
Fill in the blanks and complete the story.
About 300 million years ago, the earth had dense ______ in low lying wetland areas. Due to natural processes like ______ these forests got buried under the ______ As more ______ deposited over them, they were compressed. The ______ also rose as they sank deeper and deeper. Under high ______ and high ______ , dead plants got slowly converted into coal.
