Q. Heavy water (D₂O) in a nuclear reactor serves as a

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Q. Fast breeder reactors are most usable in India, because of our largest __________ deposits.

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Q. In the nuclear reaction, ₉₃N²³⁹ → ₉₄Pu²³⁹ + ?; the missing particle is a/an

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Q. Critical energy should be __________ the neutron binding energy of the atom in order to initiate a nuclear fission.

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Q. The main ore of thorium is

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Q. Radioactive decay is a __________ change.

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Q. A moderator __________ the neutrons.

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Q. Thorium can be converted into U-233 in a __________ reactor.

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Q. Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher

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Q. Nuclear fuel complex, Hyderabad is engaged in the job of

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Q. The half life period of a radioactive element depends on its

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Q. __________ have the same mass number, but different nuclear charge.

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Q. Which one is radioactive in nature ?

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Q. Absorption/scattering cross-section of an element is expressed in "barn", which is equivalent to

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Q. The most commonly used nuclear fuel in boiling water reactor is

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Q. Thermal neutrons which are used to cause the fission of U-235 have energy __________ eV.

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Q. Which of the following types of nuclear reactors is most prone to radioactive hazards ?

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Q. Thermal nuclear reactors using enriched uranium as fuel contains a maximum of __________ percent fissile material i.e. U-235.

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Q. The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element ?

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Q. Which of the following is not used as a nuclear fuel cladding material ?

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