Ray on Sphere (High Refractive Index) — Geometrical Optics

This video shows the scattering of a ray on a spherical particle
(glass, refractive index: np = 1.50) in water (nm = 1.33) and shows that all the scattered rays lay in the plane of incidence.

Agnese Callegari, Mite Mijalkov, A. Burak Gököz, and Giovanni Volpe, “Computational toolbox for optical tweezers in geometrical optics,” J. Opt. Soc. Am. B 32, B11-B19 (2015).