Hovedindhold

Oscillations and mechanical waves

Lær
Intuition about simple harmonic oscillatorsDefinition of amplitude and periodEquation for simple harmonic oscillatorsPeriod dependence for mass on springPhase constantPendulums
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Introduction to harmonic motionHarmonisk bevægelse del 2 (calculus)Harmonisk bevægelse del 3 (ingen calculus)
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Introduction to wavesProperties of periodic wavesThe equation of a wave
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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
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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
Lær
Wave interferenceConstructive and Destructive interferenceStanding waves on stringsStanding waves in open tubesStanding waves in closed tubesBeat frequencyDerivation of beat frequency formula

Om dette emne

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.