Keywords: Wavefronts circle.svg Decreasing curvatures of wavefronts as they travel further from a light source en wikibooks Transfer was stated to be made by User Mike lifeguard <br/> original text 1 own work 2007-12-14 <br/> original text 1 2007-12-14 Sjlegg wikibooks en en wikibooks Sjlegg original upload log page en wikibooks Wavefronts_circle svg 2007-12-14 19 04 Sjlegg 524×372×0 175611 bytes <nowiki> Decreasing curvatures of wavefronts as they travel further from a light source own work 2007-12-14 Steven Legg Sjlegg </nowiki> Spherical waves Wavefront |