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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Laws of refraction
The law of reflection states that ,
·The incident ray, the reflected ray
and the normal at the point of incidence all lie on the same plane
·The angle of incident must be equal
to the angle of reflection
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