Which of the following undergoes fission reaction easily ?
Which of the following undergoes fission reaction easily ?
A. U-235
B. U-238
C. Th-232
D. None of these
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Hydrogen bomb employs the nuclear fusion of __________________ ?
Hydrogen bomb employs the nuclear fusion of __________________ ?A. Hydrogen
B. Deuterium
C. Tritium
D. HeliumOne ‘amu’ is equivalent to___________________?
One ‘amu’ is equivalent to___________________?A. 9.31 MeV
B. 931 eV
C. 931 Mev
D. 931 JPressure in a Pressurised Water Reactor (PWR) is used for ____________________?
Pressure in a Pressurised Water Reactor (PWR) is used for ____________________?A. Maintaining constant pressure in the primary cooling circuit under varying loads
B. Superheating the steam
C. Pressurising the water in the primary coolant circuit
D. None of theseLiquid metal (e.g., molten sodium) is preferred as a coolant in case of a/an ______________ reactor?
Liquid metal (e.g., molten sodium) is preferred as a coolant in case of a/an ______________ reactor?A. Homogeneous
B. Graphite moderated
C. Fast breeder
D. Enriched uranium (3% U-235) fuelledUnit of radioactivity is_________________?
Unit of radioactivity is_________________?A. Barn
B. Fermi
C. Angstrom
D. CurieWhich 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