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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which one of the following forms of radiation can penetrate the deepest into body tissue?
the gamma
ray, because it it the most penetrative followed by beta and alpha ray
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