The charge on neutron is:
A. Plus 1.6 x 10-19C
B. Zero
C. Minus 1.6 x 10-19C
D. No definite charge
The charge on an electron was determine by:
A. Ampere
B. Maxwell
C. Millikan
D. Thomson
Which one of the following radiations possesses maximum velocity:
A. α-rays
B. β-rays
C. γ-rays
D. All of above have the same speed
Various types of cancer are treated by:
A. Cobalt-60
B. Strontium-90
C. Carbon-14
D. Nickel-63
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:
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
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:
A. 92U235
B. 92U238
C. 92U234
D. 92U239
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
