IGCSE Physics - Waves Formulae 0.0 / 5 ? PhysicsEquations and FormulaeWavesIGCSEEdexcel Created by: Andreas_AntoniouCreated on: 04-05-19 14:09 Wave speed Wave speed = frequency x wavelength 1 of 5 Frequency Frequency = 1 / time period 2 of 5 Refractive index Refractive index = sin(angle of incidence) / sin(angle of refraction) 3 of 5 Critical angle Sin(Critical angle) = 1/ refractive index 4 of 5 Wavelength Wave speed / frequency 5 of 5
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