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प्रश्न
In a nuclear reactor, state the use of graphite rods.
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उत्तर
In order to slow down neutrons to thermal energy, graphite rods serve as moderators.
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संबंधित प्रश्न
Identify nuclear fusion reaction.
Choose the correct option.
The process by which nuclei having low masses are united to form nuclei with large masses is ______.
Explain in brief, nuclear fission.
Balance the nuclear reaction:
\[\ce{^118_54Xe -> ? + I^118_54}\]
Write one point that differentiates nuclear reactions from chemical reactions.
Write the fusion reactions occurring in the Sun and stars.
Calculate the energy in MeV released in the nuclear reaction \[\ce{^174_77Ir -> ^170_75Re + ^4_2He}\]
Atomic mass: Ir = 173.97 u, Re = 169.96 u and He 4.0026 u
Name the type of nuclear reaction that takes place in the core of the Sun.
Calculate the energy released in the following nuclear fusion reaction:
\[\ce{^2_1H + ^2_1H -> ^4_2He + energy}\]
Mass of \[\ce{^2_1H = 2.014102 u}\]
Mass of \[\ce{^4_2He = 4.002604 u}\]
Find the energy released during the following fission reaction.
\[\ce{_92^235U + _0^1n-> _92^236U->_36^90Kr + _56^143Ba + 3 _0^1n}\]
| Mass(u) | |
| 235U | 235.0439 |
| 90Kr | 89.9195 |
| 143Ba | 142.9206 |
| 1n | 1.0087 |
