🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPortuguêsTürkçeفارسیไทย中文EntityQ1455717· pop 14· linked from 19 articlesFresnel numberparameter that specifies when Fresnel or Fraunhofer diffraction appliesConnectionsopticsEntityelectromagnetic radiationEntityCategoriesDiffraction