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.Management Sciences
Category: Nuclear Physics
The energy liberated when one atom of U-235 undergoes fission reaction is________________?
0
A. 200MeV
B. 40MeV
C. 30MeV
D. 20MeV
Nuclei having the same mass number but different atomic number are____________?
A. Isotopes
B. Isobars
C. Isotones
D. Isomers
Strontium-90 is used as __________________?
A. α-particle source
B. β-particle source
C. γ-rays source
D. Neutron source
One AMU is equal to__________________?
A. 1.66 x 10-27kg
B. 166 x 10-15ng
C. 166 x 10-20g
D. All of above
According to which one of following law the density of atom is uniform ?
A. J.J.Thomson model
B. Rutherfords model
C. Bohrs model
D. All of the above laws contradict the statement
An alpha particle is emitted from 88Ra226. What is the mass and atomic number of the daughter nucleus ?
A. 224 – 84
B. 220 – 80
C. 222 – 86
D. 226 – 87
During an encounter with an atom alpha particle knocks out ______________?
A. Protons
B. Electrons
C. Neutrons
D. Nothing
Pair production takes place in the vicinity of a heavy nucleus so that_____________?
A. Net energy is conserved
B. Net charge is conserved
C. Net momentum is conserved
D. All of the above
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