Main content

# Oscillations and mechanical waves

Learn

Intuition about simple harmonic oscillatorsDefinition of amplitude and periodEquation for simple harmonic oscillatorsPeriod dependence for mass on springPhase constantPendulums

Learn

Introduction to harmonic motionHarmonic motion part 2 (calculus)Harmonic motion part 3 (no calculus)

Learn

Introduction to wavesProperties of periodic wavesThe equation of a wave

Learn

Production of soundSound Properties: Amplitude, period, frequency, wavelengthSpeed of SoundRelative speed of sound in solids, liquids, and gasesMach numbersDecibel ScaleWhy do sounds get softer?Ultrasound medical imaging

Learn

Doppler effect introductionDoppler effect formula for observed frequencyDoppler effect formula when source is moving awayWhen the source and the wave move at the same velocityDoppler effect for a moving observerDoppler effect: reflection off a moving object

Learn

Wave interferenceConstructive and Destructive interferenceStanding waves on stringsStanding waves in open tubesStanding waves in closed tubesBeat frequencyDerivation of beat frequency formula