Production of soundSound Properties: Amplitude, period, frequency, wavelengthSpeed of SoundRelative speed of sound in solids, liquids, and gasesMach talDecibel ScaleWhy do sounds get softer?Ultrasound medical imaging
Doppler effect introductionDopplereffekt formel for observeret frekvensFormel for dopplereffekten når kilden flytter sig vækNår kilden og bølgen flytter sig med den samme hastighedDoppler effect for a moving observerDoppler effect: reflection off a moving object
Wave interferenceConstructive and Destructive interferenceStanding waves on stringsStanding waves in open tubesStanding waves in closed tubesBeat frequencyDerivation of beat frequency formula
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Waves are responsible for basically every form of communication we use. Whether you're talking out loud, texting on your phone, or waving to someone in a crowd there's going to be a wave transmitting information. Learn about the basics of waves in this topic, then learn more about light waves in the topics below.