Physics Weekly

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Chapter 19: Vibrations and Waves
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Judith S. de Nuño
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Chapter Objectives:

  • Describe the period of a pendulum.
  • Describe the characteristics and properties of waves.
  • Describe wave motion.
  • Describe factors that affect the speed of a wave.
  • Distinguish between transverse waves and longitudinal waves.
  • Distinguish between constructive and destructive interference.
  • Describe how a standing wave occurs.
  • Describe the Doppler effect for sound and relate it to the blue and red shifts for light.
  • Describe bow waves.
  • Describe sonic booms.

Chapter Terms:

  • sine curve
  • amplitude
  • wavelength
  • frequency
  • hertz
  • period
  • wave speed
  • transferse wave
  • longitudinal wave
  • interference pattern
  • standing wave
  • Doppler effect
  • bow wave
  • sock wave
  • sonic boom

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Chapter Formulas:

wave speed = wavelength x frequency

Chapter Outline Framework:

  • Vibration of a Pendulum
  • Wave Description
  • Wave Motion
  • Wave Speed
  • Transverse Waves
  • Longitudinal Waves
  • Interference
    • Standing Waves
  • Doppler Effect
  • Bow Waves
  • Shock Waves

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Animated Graphics Courtesy of
Jo's World