Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is September 7, 2025 by Admin 3 235 200 92 ✅ The correct answer is option A.
The most commonly used nuclear fuel in boiling water reactor is September 7, 2025 by Admin enriched uranium natural uranium plutonium monazite sand ✅ The correct answer is option A.
Mass of a positron is same as that of a/an September 7, 2025 by Admin electron α-particle proton neutron ✅ The correct answer is option A.
Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ? September 7, 2025 by Admin Deuterium and tritium U-233 Thorium Heavy water ✅ The correct answer is option A.
Graphite is used in nuclear reactor as September 7, 2025 by Admin insulation lining of the reactor. fuel. lubricant. retarder of neutron velocity. ✅ The correct answer is option D.
“Critical mass” is the minimum mass of nuclear fissile material required for the September 7, 2025 by Admin sustainment of chain reaction. power generation on commercial scale. economic power generation. none of these. ✅ The correct answer is option A.
The mass number of an element is equal to the number of __________ in the nucleus. September 7, 2025 by Admin electrons neutrons protons neutrons plus protons (i.e., nucleons) ✅ The correct answer is option D.
Use of molten metal as a coolant in fast breeder reactor helps in September 7, 2025 by Admin rapid heat transfer from the core. accelerating the reaction rate in the core. breeding neutrons. accelerating the neutrons. ✅ The correct answer is option A.
The ratio of volume of an atom to that of its nucleus is September 7, 2025 by Admin 1012 10-Dec 10-Aug 108 ✅ The correct answer is option A.
Bhabha Atomic Research Centre (BARC) located at Trombay (near Bombay) has September 7, 2025 by Admin five operating research reactors (namely Apsara, Cirus Zerelina, Purnima and Dhurva). a 420 MW nuclear power plant. a very large capacity (100 tons/yr) heavy water plant. all (a), (b) and (c). ✅ The correct answer is option A.