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प्रश्न
What is nuclear waste? What are hazard of nuclear waste to living beings? How is nuclear waste disposed off?
उत्तर
Nuclear waste: Nuclear waste is the material that nuclear fuel becomes after it is used in a reactor.
Hazards of nuclear waste:
(i) Nuclear waste can cause environmental contamination which can affect the health of millions of people.
(ii) Nuclear waste is the source of radiations which can lead to the following disorders:
(a) Radiations can cause genetic disorders.
(b) These can cause leukemia.
(c) These can destroy the immunity and hence may lead to death.
(d) Long exposure to radiation can cause cancer, blindness etc.
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संबंधित प्रश्न
Which of the following is not a fossil fuel?
(a) coal
(b) petroleum gas
(c) biogas
(d) natural gas
State one use of nuclear fission reactions.
Fill in the following blank with suitable word:
Nuclear .......... is used in nuclear power stations for the production of electricity.
How much is this energy in MeV? (Speed of light = 3 × 108 m/s)
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
A nuclear reaction is represented by the equation:
`""_1^2H+_1^2H->_2^3He+xc+E`
Name the process represented by this equation and describe what happens during this reaction.
The mass numbers of four elements A, B, C and D are 2, 20, 135 and 235, respectively. Which one of them will be most suitable to make:
a hydrogen bomb?
Give scientific reason:
It is absolutely necessary to control the fission reaction in nuclear power plants.
When an alpha particle gains two electrons it becomes neutral and becomes an atom of an element which is a rare gas. What is the name of this rare gas?
In nuclear power plants, neutrons are bombarded on atoms of __________.
