Snell's law calculator (refraction)
n₁·sin(θ₁) = n₂·sin(θ₂)
About this tool
Snell's law calculator (refraction) is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
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