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'''Ray optics''' (also known as '''geometrical optics''') is a method of the study of optics where light is represented as [[ray]]s.
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'''Ray optics''' is a method of the study of optics where light is represented as [[ray]]s.
In reality, light is more wavy, but approximating it as straight lines makes calculation and computation much more efficient.
In reality, light is more wavy, but approximating it as straight lines makes calculation and computation much more efficient.