Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
Snell’s Law was discovered in 1621 — It precisely defines how light is bent, or refracted, when it passes through a boundary between two media of differing index of refraction (n), such as air and glass or air and water (the angles theta-i and theta-t are the incident and transmitted angles, respectively).
