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?
alpha particle has the greatest mass,
it has four nucleon, two protons and 2
neutrons , it an approximate mass of 4.0012 amu, why beta particle has a mass of electron and gamma is
massless.
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