In general, the optics is a branch of physics (science) that deals with the nature, the behavior and properties of light. Optics is the study of the interaction of light with matter. It is also known as the sub-field of electromagnetism because scientifically, light is an electromagnetic wave. Optics of Applied Sciences are often Optical Engineering. Classical optics and modern optics are the two major categories of optics. Fiber optics is one of the main branches of optics, which are very popular in those days.
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