Figure 2.6 — Scattering of a ray on a sphere Figure 2.6 — Scattering of a ray on a sphere. Multiple scattering of a light ray impinging on a sphere visualised (a) in three dimensions and (b) in the plane of incidence. Note how all the reflected and transmitted rays, as well as the vector of the force acting on the sphere (not shown), are contained in the plane of incidence.