Question

Which of the following has the mass closest in value to that of the positron.

• A. Proton
• B. Electron
• C. Photon
• D. Neutrino $(1\mspace{6mu} a.m.u = 931\mspace{6mu} MeV)$

Answer 1

Answer: (B)

Electron

Answer 2

Positron is the antiparticle of electron.