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?
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high speed electrons emitted by an unstable nucleus are called
beta particles, beta particles are called negatrons, they
have streams of high speed electrons and are negatively charged.
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