Absorption/scattering cross-section of an element is expressed in "barn", which is equivalent to
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U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about __________ percent.
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Thorium-232 (a fertile material) on absorption of a neutron gets converted into __________ , which is a fissile material.
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In the nuclear reaction, 93N239 → 93Pu239 + ?; the missing particle is a/an
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Enrichment of uranium is done to increase the concentration of __________ in the natural uranium.
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The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be __________ of its original weight.
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Biological shield is provided in a nuclear power reactor to protect the __________ from radiation damage.
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Biological shield is provided in a nuclear power reactor to protect the __________ from radiation damage.
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In nuclear reactions, __________ number is conserved.
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The atomic number of an element is equal to the number of __________ present in its atom.
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In a homogeneous nuclear reactor, the __________ are mixed together.
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An electron has a mass that is approximately __________ that of the proton.
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Nucleus of 92U235 contains __________ protons.
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Thermal neutrons which are used to cause the fission of U-235 have energy __________ eV.
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Primary purpose of a __________ nuclear reactor is to supply a high neutron flux of the order of 1013 to 1014 neutrons/cm2 second.
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Velocity of the thermal neutron (< 0.025 eV) used for fission of U-235 is around __________ m/sec.
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Atoms of U-238 and U-235 differ in structure by three
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Percentage of U-238 in natural uranium is around
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Candu reactor is a __________ nuclcear reactor.
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A control rod
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