Wave Introduction Wave Introduction FIZX. What’s a Wave? A transfer of energy through a repetitive pattern of some sort Most waves involve the repetitive.

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Presentation transcript:

Wave Introduction Wave Introduction FIZX

What’s a Wave? A transfer of energy through a repetitive pattern of some sort Most waves involve the repetitive motion of particles (Matter)… …light is the exception. A transfer of energy through a repetitive pattern of some sort Most waves involve the repetitive motion of particles (Matter)… …light is the exception.

Mechanical Waves Transverse Wave particles move perpendicular to wave motion Compressional / Longitudinal Wave particles move parallel to wave motion Transverse Wave particles move perpendicular to wave motion Compressional / Longitudinal Wave particles move parallel to wave motion

Transverse Waves Light Stringed Instruments Water Sports Earthquake Secondary S-Wave Light Stringed Instruments Water Sports Earthquake Secondary S-Wave

Longitudinal Waves Sound Earthquake Primary P-Wave Sound Earthquake Primary P-Wave

Frequency The number of wavelengths that pass a fixed point each second Measured in Hertz (Hz)

Period The amount of time it takes one wavelength to pass a point Measured in Seconds

Relationship Frequency Increases  Wavelength Decreases

Transverse Wave Parts Wavelength Wavelength (λ)(λ)(λ)(λ) Distance Distance from point to next repeating point on wave Crest Crest Part Part of wave above equilibrium position Trough Trough Part Part of wave below equilibrium position Amplitude Amplitude Distance Distance fr. equilibrium to max. or min. position

Longitudinal Wave Parts Wavelength (λ) Wavelength (λ) Distance from pt. to next repeating pt. Distance from pt. to next repeating pt. Compression Compression Part of wave where particles are close Part of wave where particles are close Rarefaction Rarefaction Part of wave where particles are far apart Part of wave where particles are far apart

Wave Speed

Amplitude Energy carried by a wave The greater the Amplitude  The more Energy the wave carries Compressional– based on how close coils are Transverse– based on height of wave

What type of wave is this?