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प्रश्न
In nuclear power plants, the chain reaction cannot be controlled.
पर्याय
True
False
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उत्तर
False
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संबंधित प्रश्न
What are the advantages of nuclear energy?
What is a fuel? Give five examples of fuels.
Arrange the following fuels in the order of increasing calorific values (keeping the fuel with lowest calorific value first):
LPG, Coal, Alcohol, Dung cakes, Diesel
Which one of the following is not renewable energy technology?
State whether the fission of uranium-235 is caused by low energy neutrons or high energy neutrons.
What is nuclear fusion? Explain with an example. Write the equation of the reaction involved.
Which produces more energy : nuclear fusion or nuclear fission?
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
Give a scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
The element X has an atomic mass number of 238 and an atomic number
of 92. It emits an alpha particle forming an element y. Y can be represented
by
Write down the Einstein's mass-energy equivalence relation, explaining the meaning of each symbol used in it.
State, giving reason, whether the following nuclear decay is allowed or not?
\[\ce{_Z^AX -> _Z^AQ + γ}\]
A nucleus `"_11Na^24` emits a beta particle to change into Magnesium (Mg).
(i) Write the symbolic equation for the process.
(ii) What are numbers 24 and 11 called?
(iii) What is the general name `"_12^24Mg` with respect to `"_11^24Na`?
Explain briefly what changes take place within the nuclei when beta particles are emitted by a radioactive substance.
What is nuclear waste? What are hazard of nuclear waste to living beings? How is nuclear waste disposed off?
The disposal of nuclear waste safely is a big challenge before scientists.
In nuclear power plants, turbines working on solar panels are used.
When neutron is bombarded on atom of Uranium-235, it absorbs the neutron and converts into ______.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
