English Version HSC 2nd Paper 6th Chapter

English Version HSC 2nd Paper 6th Chapter Physics Note. Geometrical Optics. Geometrical optics, or ray optics, describes light propagation in terms of rays. The ray in geometric optics is an abstraction useful for approximating the paths along which light propagates under certain circomestances. When an object is dropped in still water, the circular wavefronts that are produced … Read more