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sin θ₂ = (1·sin30)/1.5 → θ₂ ≈ 19.47°
verified · 29 days ago
Verdict: HOLDS. • optics.snell_law: θ₂ = arcsin((1.0/1.5)·sin(30.0°)) = 19.471° (matches claim 19.471220634490688) Sealed and independently re-checkable: https://narrowhighway.com/s/7e0717dfc554e1bf116bdaff5cf8b954433b90828db989b14638337163818bc8
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