6.1 What is a wave?
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6.1 What is a wave?

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Introduce waves as disturbances that transfer energy, Introduce software used in the unit to revise the link between pitch and frequency, Demonstrate transverse and longitudinal waves

Introduce waves as disturbances that transfer energy, Introduce software used in the unit to revise the link between pitch and frequency, Demonstrate transverse and longitudinal waves

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6.1 What is a wave? 6.1 What is a wave? Presentation Transcript

  • The wave model of radiation
    21st Century Physics
  • 10 October 2010
    6.1 What is a wave?
    How many types of wave have you heard of in everyday use?
    Do they have anything in common?
  • Aims
    Introduce waves as disturbances that transfer energy
    Introduce software used in the unit to revise the link between pitch and frequency
    Demonstrate transverse and longitudinal waves
  • Introduction to waves
  • What is a wave?
    A wave is a disturbance moving through a material
  • What causes a wave?
    The source of a wave is always something thatvibrates
    The material that the wave travels through is called the medium
  • phet.colorado.edu
  • Low frequency, high period
    High frequency, low period
  • Transverse
    T
  • Transverse
    The particles of the medium vibrate at right angles (perpendicular) to the direction in which the wave moves
  • aLong
    Longitudinal
  • Longitudinal
    The particles vibrate (oscillate) back and forth creating a continuing wave of pulses
  • Water waves
  • Homework