A) The electrons orbiting around the nucleus
B) Charged particles emitted by nucleus
C) Neutral particles
D) Electromagnetic radiations
Correct Answer: B
Solution :
A beta ray is a high-energy, high-speed electron (negatively charged) or positron (positively charged) emitted in the radioactive decay of an atomic nucleus, such as a potassium-40 nucleus, in the process of beta decay. Two forms of beta decay, \[\beta -\], and \[\beta +\], respectively produce electrons and positrons. Beta radiation takes the form of either an electron or a positron being emitted from the nucleus of an atom.
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