Keywords: Snells law.svg An image displaying en Snell's law It's basically the image at the Dutch Wikipedia by the Dutch Wikipedia user Sawims I only changed the text en wikipedia 2006-11-13 Cristan wikipedia en Image Snells law2 svg -- a rotated copy of this <gallery> File Snells law mk svg language mk </gallery> Sawims nl original upload log page en wikipedia Snells_law svg 2006-12-23 08 26 Dicklyon 641×355×0 21874 bytes <nowiki>Added velocities changed to bigger fonts made angles more realistic toned down the blue etc </nowiki> 2006-11-13 22 53 Cristan 641×411×0 15430 bytes <nowiki> Summary An image displaying Snell's law It's basically the image at the Dutch Wikipedia by the Dutch Wikipedia user Sawims I only changed the text Licencing Sawims </nowiki> Refraction diagrams Calculus of variations |