Pick out the wrong statement.
A. Atoms with same number of nucleons but different number of protons are called isobars
B. Atoms with same number of protons but different number of nucleons are called isoters
C. Out of α, β, and γ-rays, the one having maximum penetration power are γ-rays
D. The product formed by emission of α-particle has mass number less by 4 units than the parent nuclide
Answer: Option B
Related Questions on Nuclear Power Engineering
Heavy water (D2O) in a nuclear reactor serves as a
A. Coolant
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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