group velocity (U) The speed with which an envelope of a wave train travels. The term is contrasted with the phase velocity.
More From encyclopedia.com
Wave , wave / wāv/ • v. 1. [intr.] move one's hand to and fro in greeting or as a signal: he waved to me from the train. ∎ [tr.] move (one's hand or arm, or… Shock Wave , shock wave • n. a sharp change of pressure in a narrow region traveling through a medium, esp. air, caused by explosion or by a body moving faster th… Standing Wave , standing wave Type of wave in which the surface oscillates vertically between fixed points called ‘nodes’, without any forward progression. The crest… Interference , CONCEPT When two or more waves interact and combine, they interfere with one another. But interference is not necessarily bad: waves may interfere co… Tsunami , The word tsunami is derived from Japanese words that translate as ‘harbor wave,’ and refers to the series of waves that arise when a lot of ocean wat… Wave Motion , A wave is a disturbance that moves from place to place in a medium, carrying energy with it. The behavior of waves is closely related to the concept…
About this article
Updated About encyclopedia.com content Print Article
You Might Also Like