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प्रश्न
In nuclear power plants, the chain reaction cannot be controlled.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
Arrange the following fuels in the order of decreasing calorific values (keeping the fuel with highest calorific value first):
Biogas, Kerosene, Wood, Petrol, Hydrogen gas, Methane
State whether the fission of uranium-235 is caused by low energy neutrons or high energy neutrons.
Fill in the following blank with suitable word:
In a nuclear power station, nuclear fission takes place in the .............
The following question are about the nuclear reactor of a power plant.
What is the purpose of using the graphite moderator?
Name five places in India where nuclear power plants are located.
The energy produced by converting 1 gram mass of a nuclear fuel into energy completely is:
(a) 9 × 1016 J
(b) 9 × 1014 J
(c) 9 × 1015 J
(d) 9 × 1013 J
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(a) uranium
(b) deuterium
(c) barium
(d) krypton
Explain with a diagram the step-by-step energy conversion in a nuclear power plant.
Which of the following statements are correct?
Electrons have
In what way are these numbers related to the isotopes of an element?
What is a.m.u?
Explain briefly what changes take place within the nuclei when beta particles are emitted by a radioactive substance.
A certain nucleus X has a mass number 14 and atomic number 6. The nucleus X changes to `"_7Y^14` after the loss of a particle. A radioactive substance is oxidized. What change would you expect to take place in the nature of its radioactivity? Give a reason for your answer.
A certain nucleus X has a mass number 15 and atomic number 7. Find the number of neutrons. The nucleus X losses one β-particle and Express the change and write the symbol of the new nucleus.
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What is the number of protons in 92U238?
What is nuclear waste? What are hazard of nuclear waste to living beings? How is nuclear waste disposed off?
Hydroelectric power station : Water stored in dams : : Nuclear power station : ____________
Why are control rods used in nuclear reactors?
Name the nuclear radiation which has the highest ionizing power.
Give a scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
