I just took a test in school today. What question was I asked?
When a compression wave travels through a medium, in what direction is the medium displaced?
Jag gjorde ett prov i skolan idag. Vilken fråga ställdes jag?
I took a test at school today. What question was I asked?
När en komprimeringsvåg färdas genom ett medium, i vilken riktning förskjuts mediet?
When a compression wave travels through a medium, in which direction is the medium displaced?