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Chapter 3 delves into the concept of refraction, the bending of light as it passes from one medium to another. It explores Snell's Law, the relationship between angle and refractive indices, and various phenomena produced by refraction, including lenses and optical instruments. Real-world applications such as corrective lenses, fiber optics, and atmospheric effects are discussed. This chapter provides a comprehensive overview of how refraction plays a crucial role in everyday life and technological advancements.
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