YP Refraction

YP Refraction is a tool to learn all about the refraction of light (Snell's law) in geometrical optics. The program provides a laser source that can be moved around a prism. Six different prisms are available: a simple frontier between two media of different index of refraction, a semicircular prism, square prism, a rectangular prism, two triangular prisms. The user can change the indices of refraction.