The main ore of thorium is
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The main ore of uranium is
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In β-decay of radioactive material, the ratio of neutron to proton
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Thorium metal
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A radioactive isotope undergoes decay with respect to time following __________ law.
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Critical energy should be __________ the neutron binding energy of the atom in order to initiate a nuclear fission.
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The ratio of atomic radius to its nuclear radius is about
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Thorium can be converted into U-233 in a __________ reactor.
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Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material).
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The number of neutrons in the nucleus of Uranium-233 (92U233) is
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Solar energy results from __________ reaction.
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Pick out the wrong statement.
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Percentage of natural uranium present in uranium ore found in Jadugoda (Jharkhand) is
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Unit of radioactivity is
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A fast breeder reactor employs
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Specific gravity of uranium and plutonium is about
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Quantity of fissionable material (i.e. U-235) in natural uranium is __________ percent.
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Coolant present in the primary circuit of a pressurised water reactor is high pressure
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The atomic number of a radioactive element is not changed, when it emits __________ rays.
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Which of the following is the best nuclear fuel?
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