基本信息
文件名称：A2 Physics 物理 出国英语Waves Part 4 - Stationary waves.ppt
文件大小：4.3 MB
总页数：7 页
更新时间：2025-08-16
总字数：约小于1千字
文档摘要
ProgressiveandstationarywavesIftwoprogressivewavesofthesamefrequencytravelinoppositedirections,astationary(orstanding)waveisproduced.Stationarywavesarenotliterallystationary,butincontrasttoprogressivewaves,energyisstoredandnottransmitted.node–nodisplacement