Mass of a positron is same as that of a/an__________________?
Mass of a positron is same as that of a/an__________________?
A. Electron
B. α-particle
C. Proton
D. Neutron
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The radioisotope used to study the thyroid gland is__________________?
The radioisotope used to study the thyroid gland is__________________?A. Iodine
B. Cobalt
C. Iron
D. CarbonThe electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the________________?
The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the________________?A. Fuel cost per unit power generated is less
B. Thermal efficiency of the former is higher
C. Maintenance cost of the former is less
D. None of theseβ-rays emission in radioactive disintegration is always accompanied by the emission of____________________?
β-rays emission in radioactive disintegration is always accompanied by the emission of____________________?A. γ-rays
B. α-rays
C. Neutrons
D. None of theseAn ideal coolant for a nuclear reactor should ________________?
An ideal coolant for a nuclear reactor should ________________?A. Be a good absorber of neutrons
B. Be capable of attaining high temperature, only when it is pressurised
C. Have high density, but low heat transfer co-efficient
D. Be free from radiation damage and non-corrosivePercentage of heavy water in ordinary water is around__________________?
Percentage of heavy water in ordinary water is around__________________?A. 0.015
B. 7.54
C. 0.71
D. 32.97Heavy water used in the nuclear reactors to slow down the speed of neutrons is __________________?
Heavy water used in the nuclear reactors to slow down the speed of neutrons is __________________?A. Highly purified water
B. A compound of oxygen and deuterium
C. Water having dissolved salts of heavy metals
D. None of these