Optics is the most important portion of IIT JEE mains, JEE Advanced and NEET physics syllabus. The ray optics is the study of the nature of light under various conditions. Ray optics covers a large variety of topics like refractive index, lens formula, mirror formula, refraction at the spherical surface, refraction through the prism, etc. Wave optics deals with various phenomenon including diffraction, the polarization of light, interference pattern in optics and solved problems, Young's double-slit experiment, etc Includes two chapters: 1. Ray optics 2. Wave optics
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Geometrical optics, or ray optics, is a model of optics that describes light propagation in terms of rays. The ray in geometric optics is an abstraction useful for approximating the paths along which light propagates under certain circumstances.
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In physics, physical optics, or wave optics, is the branch of optics that studies interference, diffraction, polarization, and other phenomena for which the ray approximation of geometric optics is not valid.
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