Q. Which of the following has the mass closest in value to that of the positron ($1\ a.m.u = 931\ MeV$)
A) Proton
B) Electron
C) Photon
D) Neutrino
Explanation
(b) Positron is the antiparticle of electron
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.