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Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education <a {{0}}>research</a> and engage students through an intuitive, game-like environment where students learn through exploration and discovery.
29 Ιουλ 2024 · Snell's law, or the law of refraction, describes the relationship between the angles of incidence θ₁ and refraction θ₂ and the refractive indices (n₁, n₂) of two media: n₁sin(θ₁) = n₂sin(θ₂). The law of refraction allows us to predict the amount of bend when light travels from one medium to another.
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.
Our Refraction simulation is now available with two Concept Checkers - one focuses on refraction and the direction of bending; it complements Activity #1 (above). The other focuses on total internal reflection and the critical angle; it complements Activity #3 (above).
In the following two examples, use Snell's law, the sine button on your calculator, a protractor, and the index of refraction values to complete the following diagrams. Measure , calculate , and draw in the refracted ray with the calculated angle of refraction.
The amount of bending of light during refraction depends on the difference between the refractive indexes of the mediums across which the light is traveling. Play with light refraction through various materials in our interactive refraction simulation.
Calculate the angle of refraction \(\theta_{2}\) in the diamond. Strategy. Again the index of refraction for air is taken to be \(n_{1} = 1.00\), and we are given \(\theta_{1} = 30.0^{\circ}\). We can look up the index of refraction for diamond in Table \(\PageIndex{1}\), finding \(n_{2} = 2.419\).
