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Explore bending of light between two media with different indices of refraction. See how changing from air to water to glass changes the bending angle. Play with prisms of different shapes and make rainbows.
Lab 10: Snell’s Law and Refraction. • Gain understanding about the behavior of light as it passes from one medium to another. • Compare least time travel to the rules of refraction. • Use Snell’s Law to calculate the index of refraction of water and compare it to 1.33.
nr = index of refraction of the refractive medium. This relationship between the angles of incidence and refraction and the indices of refraction of the two media is known as Snell's Law. Snell's law applies to the refraction of light in any situation, regardless of what the two media are.
It takes learners step-by-step through each component of Snell’s Law, from how to measure incident and refractive angles through set-up and solution of the related equation. It even explains the calculator function keys needed to accurately evaluate the sine functions.
Interactive Refraction Simulation (Snell's Law Mini Lab) Use the PhET interactive at the bottom of this page to explore refraction of light or find a direct link to the PhET Index of Refraction Lab on the PhET website here.
Explore bending of light between two media with different indices of refraction. See how changing from air to water to glass changes the bending angle. Play with prisms of different shapes and make rainbows.
Snell's laws quantifies refraction between two media. Here we use animations to illustrate and to derive Snell's law, then show an experiment to test the law and to measure the refractive index of glass.
