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प्रश्न
What is nuclear waste? What are hazard of nuclear waste to living beings? How is nuclear waste disposed off?
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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.
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
Name the type of nuclear reaction which is involved in the working of:
an atom bomb.
In the reactor of a nuclear power plant, name the material which is used:
(a) as a moderator
(b) to absorb radiations
(c) in the fuel rods
(d) in the control rods
(e) to carry away heat
State, giving reason, whether the following nuclear decay are allowed or not?
\[\ce{_Z^AP -> _{Z-2}^AY + _2^4He}\]
The nucleus 84X202emits an alpha particle and forms the nucleus Y. Represent this change in the form of an equation.
What will an alpha particle change into when it absorb two electrons.
Complete the following fission reaction:
\[\ce{_92U^235 _0n^1 -> _aSb^133 + _41Co^b + 4_0n_1 + energy}\]
Write down the values of a and b.
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Mention the relationship between 92U235 and 92U238.
In nuclear power plants, turbines working on solar panels are used.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
