EntityQ1807778· pop 20· linked from 35 articlesArago spotSign in to savebright point that appears at the center of a circular object's shadow due to Fresnel diffractionConnectionswave–particle dualityEntitylaserEntityinterferenceEntityHuygens–Fresnel principleEntitygeometrical opticsEntityAlbert EinsteinPersonastronomyEntitystarEntitylightEntityquantum mechanicsEntityInternational Standard Book NumberEntityopticsEntityphotonEntityshadowEntitydigital object identifierEntitywavelengthEntityInternational Standard Serial NumberEntityLouis de BroglieEntityThomas YoungEntitydeuteriumEntityCategoriesDiffraction