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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
What are the advantages of nuclear energy?
One of the following is not a characteristic of a good fuel. This is:
(a) high calorific value
(b) no emission of smoke
(c) smooth burning
(d) high ignition temperature
Which particles bring about the fission of uranium-235?
Name the moderator used in a nuclear reactor.
How is the working nuclear reactor of a power plant shut down in an emergency?
One eV (electron volt) of nuclear energy is equivalent of:
(a) 1.6 × 10−14 J
(b) 1.6 × 10−12 J
(c) 1.6 × 10−19 J
(d) 1.6 × 10−13 J
Name the process used to harness nuclear energy these days. Explain it briefly. List two advantages of using nuclear energy in place of fossil fuels.
What do you mean by nuclear energy? What is responsible for its release?
Name the following nuclear reaction:
\[\ce {^3_1H + ^2_1H -> ^4_2He + ^1_0n + γ}\]
A radioactive nucleus undergoes a series of decays according to the sequence
\[\ce{X->[β] X1->[α] X2->[α]X3}\]
If the mass number and atomic number of X3 are 172 and 69 respectively, what is the mass number and atomic number of X?
