Pick out the wrong statement.
A. The ratio of the density of the 'nucleus' to that of the 'atom' is 1012
B. Α-particle is identical with a doubly charged helium ion
C. The mass of deuterium atom is half that of helium atom
D. Gamma rays are high energy electrons
Answer: Option D
This Question Belongs to Chemical Engineering >> Nuclear Power Engineering
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Heavy water (D2O) in a nuclear reactor serves as a
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B. Moderator
C. Both A & B
D. Neutron absorber
Moderating material used in a thermal-reactor should be a
A. Good absorber of neutrons
B. Solid substance
C. Poor absorber of neutrons
D. None of these
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