Fri February 24, 2012 By: Rashi Agrawal

What is the difference between an electron and beta particle? and what about a positron and a proton??

Expert Reply
Fri February 24, 2012
Electron and negative beeta particle are identical in mass and charge.Positive beeta particle(positron) has same mass as electron but charge +e. Photon is a neutral particle and we can not define the mass of photon as well. 
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