KnowraHuygens–Fresnel principleLinked fromLinked fromThe 19 pages that link to Huygens–Fresnel principle, each with the reason it gives.All 19Broader topic 2Related 14Narrower topic 1Compared with 2Fermat's principleCompared with: It describes light through wave propagation rather than selecting a single stationary-time ray.Newton's first lawCompared with: Despite its name, this wave principle does not describe inertial motion or Newton's laws.