Fuel for a nuclear reactor (thermal) is___________________?
Fuel for a nuclear reactor (thermal) is___________________?
A. Uranium
B. Plutonium
C. Radium
D. None of these
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The main ore of thorium is_________________?
The main ore of thorium is_________________?A. Pitchblende
B. Monazite sand
C. Limonite
D. GalenaIsotopes of an element have the same__________________?
Isotopes of an element have the same__________________?A. Number of neutrons
B. Mass number
C. Electronic configuration
D. Atomic weightWhich is used as a coolant in nuclear reactor due to its high capture cross-section ?
Which is used as a coolant in nuclear reactor due to its high capture cross-section ?A. H2
B. N2
C. He
D. CO2Which of the following accounts for the maximum energy release in the nuclear fission process ?
Which of the following accounts for the maximum energy release in the nuclear fission process ?A. Kinetic energy of fission products
B. Radioactive decay of fission products
C. Instantaneous release of γ-rays
D. Kinetic energy of neutronsThermal neutrons which are used to cause the fission of U-235 have energy _____________ eV?
Thermal neutrons which are used to cause the fission of U-235 have energy _____________ eV?A. < 0.025
B. > 1
C. 1-25
D. > 200Which of the following radiations is the least penetrating ?
Which of the following radiations is the least penetrating ?A. α-rays
B. β-rays
C. γ-rays
D. X-rays