The ratio of atomic radius to its nuclear radius is about___________________?
The ratio of atomic radius to its nuclear radius is about___________________?
A. 105
B. 108
C. 1012
D. 1015
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The most abundant isotope of natural uranium is ___________________?
The most abundant isotope of natural uranium is ___________________?A. 92U238
B. 92U235
C. 92U234
D. None of theseThe largest stable nucleus is ________________?
The largest stable nucleus is ________________?A. U-235
B. U-238
C. Pb-206
D. Bi-209Hydrogen differs from deuterium in _____________ properties?
Hydrogen differs from deuterium in _____________ properties?A. Radioactive
B. Physical
C. Chemical
D. All A., B. and C.Candu reactor is a ______________ nuclear reactor?
Candu reactor is a ______________ nuclear reactor?A. Natural uranium fuelled heavy water cooled & moderated
B. Highly enriched uranium (85% U-235) fuelled
C. Homogeneous
D. Fast breederThe function of moderators in nuclear reactor is to _________________?
The function of moderators in nuclear reactor is to _________________?A. Slow down the secondary neutrons
B. Absorb the secondary neutrons
C. Control the chain reaction
D. None of theseOne ‘amu’ is equivalent to___________________?
One ‘amu’ is equivalent to___________________?A. 9.31 MeV
B. 931 eV
C. 931 Mev
D. 931 J