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logic behöver inte mer hjälp
Longitudinell våg - Compression and rarefraction
In a displacement against distance graph, how would one determine when there is a compression or a rarefaction? Also, does the direction of the longitudinal wave change the point we perceive as when the compression or rarefaction occur?
Kan de uteblivna svaren bero på svår engelsk nomenklatur?
Jag gissar så åtminstone någon kan rätta mig:
Compression: Increasing displacement
Rarefaction: Decreasing displacement
Wave direction:
Compression occurs before rarefraction in a longitudinal wave