Optics is the branch of physics that focuses on the study of light and its interactions with matter. It encompasses the behavior of light in various mediums, including reflection, refraction, diffraction, and polarization. There are two main branches of optics: 1. **Geometric Optics**: This branch deals with the approximation of light as rays. It studies how light travels in straight lines, how it interacts with lenses and mirrors, and how images are formed by optical systems.
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