Q. A free neutron decays into a proton, an electron and
A) A neutrino
B) An antineutrino
C) An alpha particle
D) A beta particle
Explanation
(b) $\ _{0}n^{1} = \ _{1}p^{1} + \ _{- 1}e^{0} + \overline{v}$
Antineutrino is required for conservation of spin
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.