Emission of β-particles during radioactive decay of a substance is from__________________?

A. Less atomic number
B. Less atomic weight
C. More atomic number
D. More atomic weight

A. Barn
B. Fermi
C. Angstrom
D. Curie

A. Electrons
B. Neutrons
C. Protons
D. Neutrons plus protons (i.e., nucleons)

A. Molten sodium
B. Light water
C. Beryllium
D. Boron hydride

A. U-238
B. U-234
C. U-235
D. U-232

A. Cannot attain a high temperature
B. Is more efficient as gas has a higher specific heat
C. Can produce only saturated steam for feeding to power turbine
D. None of these