🌐EnglishEnglishEspañolFrançais中文EntityQ7408338· pop 6· linked from 20 articlesKirchhoff's diffraction formulaPhysics formulaAvailable in 6 languagesEspañolFrançais中文NorwegianSerbianvia Wikidata sitelinks · CC0ConnectionsInternational Standard Book NumberEntityelectromagnetic radiationEntityCategoriesDiffractionGustav KirchhoffPhysical opticsWaves