KnowraGeometrical opticsLinked fromLinked fromThe 53 pages that link to Geometrical optics, each with the reason it gives.All 53Broader topic 4Related 5Narrower topic 27Compared with 17Apollonius of PergaRelated: Reflective properties of conics make them useful in optical instrument design.Hamilton–Jacobi equationRelated: Hamilton's analogy between rays and mechanical paths helped motivate the equation.WKB approximationRelated: WKB gives the mathematical bridge from wave equations to ray propagation.Principal symbolRelated: The leading symbol equation determines the phases of high-frequency approximate solutions.Robert GrossetesteRelated: He applied geometry to explain optical effects and the behavior of light.