what do you think you know about physics, physics is the study of matter under the effect of energy, but does this includes solid states bodies, atoms at ground states, object at microscopic size or object moving faster than light? these and more is what prompt me to ask again what is physics?
explain how a nucleus changes when it emits a gamma ray
the nucleus of an atom or the total number of nucleons in an
atom do not change when a gamma ray is emit because gamma does has mass( to
account loss in mass) or charge ( to account loss n nuclear charge).
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