Fundamentals of Light: Reflection and Refraction

Have you ever wondered how mirrors form clear images or why a straw looks bent when placed in a glass of water? Understanding the behavior of light is fundamental to physics, optics, and everyday technology. This course breaks down complex physical phenomena into accessible, easy-to-digest written explanations. You will transition from basic concepts to a confident understanding of how light interacts with different media. What you'll learn: Understand the foundational laws of reflection and refraction; Analyze image formation by spherical mirrors and lenses; Calculate image positions using the mirror and lens formulas; Explore the concept of refractive index and its practical implications; Study real-world applications of light behavior in modern optical devices. The course begins with essential definitions and the core properties of light before guiding you through geometric optics, ray diagrams, and mathematical calculations. Designed specifically for beginners, this text-only course requires no prior background in advanced physics. Start reading today to unlock the science behind how we see the world.