Uploaded November 2020 | Updated September 2026, 2 weeks ago

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A great open source optic simulation exists on GitHub. Here is a "how to" guide, incorporating the physics of reflection, refraction, and lenses.The simulation can be found here

https://phydemo.app/ray-optics/simulator/

and credit to Rick Tu for the coding

This will be valuable to teach optics, whether as homework or in an online teaching environment


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