Various types of cancer are treated by_________________?
A. Cobalt-60
B. Strontium-90
C. Carbon-14
D. Nickel-63
Which of the following radiations are suitable for the treatment of an infection in the interior of the body ?
Which of the following radiations are suitable for the treatment of an infection in the interior of the body ?
A. α-rays
B. β-rays
C. γ-rays
D. X-rays
The path of alpha particle is_______________?
The path of alpha particle is_______________?
A. Rectilinear
B. Curved
C. Zig-zag or erratic
D. Elliptical
During an encounter with an atom alpha particle knocks out ______________?
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_____________?
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
If one or more of the neutrons emitted during fission cab be used to build up further fission then the reaction is self-sustained and is known as __________________?
If one or more of the neutrons emitted during fission cab be used to build up further fission then the reaction is self-sustained and is known as __________________?
A. Fission reaction
B. Fusion reaction
C. Chain reaction
D. Chemical reaction
Radioactive materials can be identified by measuring their_______________?
Radioactive materials can be identified by measuring their_______________?
A. Hardness
B. Density
C. Mass
D. Half life
Ina liquid metal fast breeder reactor, the type of uranium used is______________?
Ina liquid metal fast breeder reactor, the type of uranium used is______________?
A. 92U235
B. 92U238
C. 92U234
D. 92U239
During the fission process a large amount of______________?
During the fission process a large amount of______________?
A. Heat energy is released
B. Nuclear energy is released
C. Chemical energy is released
D. Light energy is released
The unit of radioactivity curie is equal to________________?
The unit of radioactivity curie is equal to________________?
A. 3.74 x 109 disintegration per sec
B. 3.70 x 1010 disintegration per sec
C. 3.55 x 1010 disintegration per sec
D. 3.60 x 1010 disintegration per sec