EntityQ590051· pop 23· linked from 184 articlesdispersion relationSign in to saverelation of wavelength/wavenumber as a function of a wave's frequencyConnectionsphononEntityrefractive indexEntitymatter waveEntitywavenumberEntityIsaac NewtonPersonInternational Standard Book NumberEntityspeed of light in vacuumEntityfrequencyEntityopticsEntityspecial relativityEntityPierre-Simon LaplaceEntityelectromagnetic radiationEntityelectrical engineeringEntitywaveEntitysemiconductorEntityelementary particleEntitydigital object identifierEntitywavelengthEntityrefractionEntitywind waveEntityCategoriesEquations of physicsWave mechanics