The radius of nucleus is of the order of
A.10-10 cm
B.10-8 cm
C.10-14 cm
D.10-12 cm
Category: Nuclear Engineering Mcqs
Deuterium differs from hydrogen in
A.chemical properties
B.physical properties
C.both physical and chemical properties
D.radioactive properties
Which of the following particles is unstable?
A.neutrons
B.proton
C.electron
D.alpha particle
The atom whose nucleus contains the largest number of neutrons is
A.92U235
B.92U238
C.92U239
D.94Pu239
The value of disintegration constant (k) of a radioactive isotope
A.decreases with increasing pressure
B.increases with increasing temperature
C.increases with increasing concentration
D.is independent of temperature concentration or pressure
The particle mainly responsible for the stability of nucleus is
A.electron
B.proton
C.neutron
D.positron
Which of the following is radioactive?
A.Deuterium
B.Tritium
C.Hydrogen
D.Helium
The molecular weight of heavy water is
A.10
B.12
C.18
D.20
One amu is equal to
A.1.66 x 10-24 kg
B.1.66 x 10-21 kg
C.1.66 x 10-27 kg
D.1.66 x 10-26 kg
The mass of a meson with charge +e is
A.equal to that of a proton
B.equal to that of an electron
C.275 times that of an electron
D.1/1850 of the mass of an electron
