Modelová Otázka ID 3263 - 
Jaké je matematické vyjádření zákonu lomu platné pro mechanické vlnění, jestliže úhel dopadu je α, úhel lomu β (hodnota obou úhlů je brána od kolmice dopadu), rychlost vlnění v prvním prostředí je v a ve druhém prostředí u?
Správná odpověď je: B
Zákon lomu (tzv. Snellův zákon) říká, že poměr sinu úhlu dopadu k sinu úhlu lomu je pro každá dvě prostředí konstantní a je roven poměru rychlostí vlnění v obou prostředích. Lomený paprsek zůstává v rovině dopadu. Matematické vyjádření tohoto zákona má tedy s ohledem na zadání příkladu tvar sin α/sin β = v/u.
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