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Chapter 21 - Nuclear Physics - 4
1.
In nuclear fission the masses of product nuclei are always:
a) Equal to the masses of reactant nuclei
b) None of those
c) Greater than the masses of reactant nuclei
d) Less than the masses of reactant nuclei
2.
The nuclear fission reaction is the practical example of an:
a) Exothermic reaction
b) All of the above
c) Chemical reaction
d) Endothermic reaction
3.
The average number of neutrons produced in each fission reaction are:
a) 3
b) infinite
c) 5
d) 2.5
4.
The source of solar energy is mainly due to:
a) Fission
b) Fussion
c) All of above
d) Pair production
5.
PWR stands for
a) Pressurize wind reactor
b) Power wind reactor
c) None of above
d) Pressurize water reactor
6.
Fast reactor is designed to make use of:
a) p
239
b) U
234
c) U
235
d) U
238
7.
The Cosmic radiation consists of:
a) Low energy charged particles
b) Electromagnetic radiation
c) High energy charged particle
d) High energy charged particles and electromagnetic radiation
8.
The quantity called absorbed radiation dose ‘D’ is defined by:
a) C/E
b) m/c
c) E/m
d) E/C
9.
Film badge dosimeter are used to monitor radiation in:
a) Nuclear facilities
b) Educational facilities
c) Aviation facilities
d) Operation theaters
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