Question

what is beta decay in phyzics​

Answer 1

Answer:

In positron emission, also called positive beta decay (β+-decay), a proton in the parent nucleus decays into a neutron that remains in the daughter nucleus, and the nucleus emits a neutrino and a positron, which is a positive particle like an ordinary electron in mass but of opposite charge

Answer 2

It is a type of radioactive decay .Beta decay occurs when ,in a nucleus with too many neutrons and protons.