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Optics & Light
Reflection, refraction, lenses, prisms, and diffraction patterns
9 simulators
AllBeginnerIntermediateAdvanced
Beginner
Reflection
Flat, concave, and convex mirrors with auto-drawn ray diagrams.
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FeaturedBeginner
Refraction
Light crossing boundaries. Snell's law with angle measurements.
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Intermediate
Total Internal Reflection
Find the critical angle. Fiber optics analogy.
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FeaturedIntermediate
Lens Simulator
Converging and diverging lenses with ray diagrams and image formation.
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NewBeginner
Thin Lens Equation
Hyperbola d_i(d_o), pole at d_o = f, schematic + 1/d check.
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NewBeginner
Prism & Dispersion
White light through a prism creating a rainbow spectrum.
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Advanced
Diffraction
Single and double slit with interference patterns.
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Beginner
Color Mixing
Additive (RGB) and subtractive (CMY) interactive color mixing.
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NewIntermediate
Polarization (Malus)
Two polarizers. Rotate θ, see I = I₁ cos²θ and extinction.
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