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 travels more slowly in glass, red light or violet light? why?
ared light will travel more slowly ina glass than violet because red light has a
longer wavelength and will travel slower.
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