Menu (linked Index) Lens Equations Last Update: October 21, 2024 Introduction Symmetrical Concave and Convex Lens Using Ray Diagrams to Determine the Lens Equations Lens Magnification Equation Thin Lens Equation Curved Surface Refraction Equation Derivation Lens Maker’s Equation Introduction In this post we’ll derive the following key lens equations: The Lens Magnification Equation The Thin […]
Menu (linked Index) Lens Ray Diagrams Last Update: October 21, 2024 Introduction Convex and Concave Lens Basics Ray Diagram Drawing Rules Convex and Concave Lens Ray Diagram (O>2F) Convex and Concave Lens Ray Diagram (O=2F) Convex and Concave Lens Ray Diagram (2F>O>F) Convex and Concave Lens Ray Diagram (O=F) Convex and Concave Lens Ray Diagram
Menu (linked Index) Wave Superposition Last Update: October 20, 2024 Introduction Electromagnetic Wave Superposition Why Light Slows Down Introduction Electromagnetic waves produced by different sources will combine in a process called superposition. In this post, we’ll describe basic wave superposition and why light slows down when entering a medium with a higher refractive index. Return
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Introduction Snell’s Law (Law of Refraction) Example Last Update: October 20, 2024 This post provides an example of how to compute refracted light angles using Snell’s Law. Return to Menu Snell’s Law Application Example Let’s use Snell’s Refraction equation, n2 sin θr = n1 sin θi , to determine the refracted light line angle based on other known
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Introduction Light Refraction Tank Analogy Last Update: October 20,2024 This post provides a useful analogy for the bending and slowing of light rays when light is refracted from a lower refractive medium (air) to a higher refractive medium (glass or water). Here are a few videos showing refraction analogies: Light Refraction – Khan Academy Light
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Introduction Electro-Magnetic Radiation Last Update: October 20, 2024 This post is a brief refresher on Electro-Magnetic Radiation (i.e. light). See my other posts where light plays a critical role. A Color Primer (Including How to Create an Effective Colour Palette) Electro-Magnetic Radiation The human visible spectrum of light represents a small section of the full
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