02.06A · Cours 6 — Ondes

Course 6 — Waves

1. Physique · 31 pages

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Wave Definition

2Wave Definition 3Exercise: Deformation vs Matter 4Energy Transport, No Matter Transport

Wave Parameters

5Wavelength and Wavenumber 6Frequency and Period 7Wave Speed

Transverse Waves

8Transverse Waves 9Stretched String: Tension and Mass Density 10Deriving the Wave Equation 11Wave Equation and Dispersion Relation 12Exercise: Tension and Mass vs Speed

Longitudinal Waves

13Longitudinal Waves 14Pressure Wave Speed: Bulk Modulus

15Sound Intensity 16Exercise: Pain Threshold Pressure 17Decibel Scale 18Exercise: Pain Threshold in dB 19Sound Level Scale: Everyday Examples 20Exercise: Adding Sound Intensities 21Spectral Sensitivity of the Ear

Wave Reflection

22Wave Reflection 23Ultrasound Imaging Principle 24Reflection Coefficients and 2D/3D Scanning

25Doppler Effect 26Wavefront Compression and Stretching 27Doppler Frequency Formula 28Doppler Ultrasound: Blood Velocity 29Cardiac Ultrasound and Bernoulli Pressure

Wave Superposition

30Wave Superposition 31Reinforcement and Cancellation

02.06APage 1Waves

Cours 6 — Ondes page 1

02.06APage 2WavesWave Definition

Cours 6 — Ondes page 2

02.06APage 3WavesWave DefinitionExercise: Deformation vs Matter

Cours 6 — Ondes page 3

02.06APage 4WavesWave DefinitionEnergy Transport, No Matter Transport

Cours 6 — Ondes page 4

02.06APage 5WavesWave ParametersWavelength and Wavenumber

Cours 6 — Ondes page 5

02.06APage 6WavesWave ParametersFrequency and Period

Cours 6 — Ondes page 6

02.06APage 7WavesWave ParametersWave Speed

Cours 6 — Ondes page 7

02.06APage 8WavesTransverse Waves

Cours 6 — Ondes page 8

02.06APage 9WavesTransverse WavesStretched String: Tension and Mass Density

Cours 6 — Ondes page 9

02.06APage 10WavesTransverse WavesDeriving the Wave Equation

Cours 6 — Ondes page 10

02.06APage 11WavesTransverse WavesWave Equation and Dispersion Relation

Cours 6 — Ondes page 11

02.06APage 12WavesTransverse WavesExercise: Tension and Mass vs Speed

Cours 6 — Ondes page 12

02.06APage 13WavesLongitudinal Waves

Cours 6 — Ondes page 13

02.06APage 14WavesLongitudinal WavesPressure Wave Speed: Bulk Modulus

Cours 6 — Ondes page 14

02.06APage 15WavesSoundSound Intensity

Cours 6 — Ondes page 15

02.06APage 16WavesSoundExercise: Pain Threshold Pressure

Cours 6 — Ondes page 16

02.06APage 17WavesSoundDecibel Scale

Cours 6 — Ondes page 17

02.06APage 18WavesSoundExercise: Pain Threshold in dB

Cours 6 — Ondes page 18

02.06APage 19WavesSoundSound Level Scale: Everyday Examples

Cours 6 — Ondes page 19

02.06APage 20WavesSoundExercise: Adding Sound Intensities

Cours 6 — Ondes page 20

02.06APage 21WavesSoundSpectral Sensitivity of the Ear

Cours 6 — Ondes page 21

02.06APage 22WavesWave Reflection

Cours 6 — Ondes page 22

02.06APage 23WavesWave ReflectionUltrasound Imaging Principle

Cours 6 — Ondes page 23

02.06APage 24WavesWave ReflectionReflection Coefficients and 2D/3D Scanning

Cours 6 — Ondes page 24

02.06APage 25WavesDoppler Effect

Cours 6 — Ondes page 25

02.06APage 26WavesDoppler EffectWavefront Compression and Stretching

Cours 6 — Ondes page 26

02.06APage 27WavesDoppler EffectDoppler Frequency Formula

Cours 6 — Ondes page 27

02.06APage 28WavesDoppler EffectDoppler Ultrasound: Blood Velocity

Cours 6 — Ondes page 28

02.06APage 29WavesDoppler EffectCardiac Ultrasound and Bernoulli Pressure

Cours 6 — Ondes page 29

02.06APage 30WavesWave Superposition

Cours 6 — Ondes page 30

02.06APage 31WavesWave SuperpositionReinforcement and Cancellation

Cours 6 — Ondes page 31