Positron has nearly the same weight as that of (a) alpha – particel (b) proton (c) Neutron (d) Electron Positron has nearly the same weight as that of (a) alpha - particel (b) proton (c) Neutron (d) Electron February 13, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,