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.Management Sciences
Category: Nuclear Physics
Ina liquid metal fast breeder reactor, the type of uranium used is______________?
A. 92U235
B. 92U238
C. 92U234
D. 92U239
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 penetration power of alpha particle as compared to beta particle is_______________?
A. 10 times more
B. 100 times more
C. 100 times less
D. 10 times less
Tick the correct statement_________________?
A. Moderators slow down the neutrons
B. Moderators bring the neutrons to rest
C. Moderators absorb the neutrons
D. Moderators reflect the neutrons
Radioactive decay obeys which one of the following law ?
A. N=Noe-λt
B. N=Noeλt
C. N=Noe-λt/2
D. No=N(1+eλt)
Alpha particle ionizes an atom_________________?
A. Through direct collision
B. Through electrostatic attraction
C. Through electrostatic repulsion
D. All of above
Alpha particles possess greater penetration power than that of beta particles due to its_____________?
A. Smaller ionization power
B. Greater ionization power
C. Neither greater nor smaller ionization power
D. Same ionization power
Average distance covered by alpha particles in the air before its ionizing power ceases is called its_________________?
A. Trajectory
B. Range
C. Firing level
D. Limit
The maximum safe limit dose for persons working in a nuclear power station is ________________?
A. 1 rem per week
B. 5 rem per week
C. 4 rem per week
D. 3 rem per week
Pair production cannot take place in a vacuum as ________ is not conserved ?
A. Energy
B. Charge
C. Mass
D. MomentumB.
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