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Question
In beta decay, what particles can the nucleus emit?
Options
An electron or a positron
Neutrons or alpha particles
A helium nucleus or a proton
Gamma rays or X-rays
MCQ
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Solution
In beta decay, the nucleus emits an electron or a positron. Beta particles have a very small mass, and their penetrating power is greater than that of alpha particles but less than that of gamma rays.
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