Nuclear forces are
A.electrostatic
B.inter nuclear forces
C.exchange forces
D.protonic forces
Category: Nuclear Engineering Mcqs
The atomic number of an element is
A.the number of neutrons present in an atomic nucleus
B.the number of protons present in an atomic nucleus
C.the sum of the number of protons and neutrons present in an atomic nucleus
D.the difference in the number of protons and neutrons present in an atomic nucleus
Which one of the following elements is not radioactive?
A.Radium
B.Zirconium
C.Uranium
D.Polonium
The ratio of the diameter of atom to that of nucleus is about 104 Considering the density of ordinary matter to be of the order of 1 gm/cm3 the density of the nuclear matter will be of the order of
A.104 gm/cm3
B.107 gm/cm3
C.1012 gm/cm3
D.1064 gm/cm3
Which of the following is a fertile fuel?
A.Th-232
B.Pu-241
C.U-233
D.U-235
If the half-life period of a radioactive metal 1 month then
A.the metal will have completely disintegrated in two months
B.7/8th of the metal will have disintegrated at the end of 3 months
C.1/8th of the metal will remain intact at the end of 4 months
D.the metal will have completely disintegrated in 4 months
If 92U238 emits one alpha particle the remaining nucleus will contain
A.234N + 90P
B.236N + 88P
C.144N + 90P
D.145N + 93P
The force holding the particles inside a nucleus is
A.an electrostatic force
B.a gravitational force
C.an exchange force
D.a magnetic force
The atomic weight of elements are usually fractional because
A.these are mixtures of allotropes
B.these are mixtures of isotopes
C.these are mixtures of isobars
D.element always contains some impurities
