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Waves in air, fluids and solids GapFill

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Waves are the repeated motion of particles (or fields) around a point, that carry energy from one place to another.
 ElectromagneticSoundPolarisedLongitudinalSeismicTransverse waves are waves where the particles oscillate in a direction at right angles to the direction in which the wave transfers energy.
 PolarisedSoundElectromagneticSeismicLongitudinalTransverse waves are waves where the particles oscillate in the same direction as the direction in which the wave transfers energy.
Features of waves include:
  •  periodwave speedfrequencyamplitudewavelengthdisplacement, the number of waves that pass a point every second, which is measured in  secondsmetresjouleswattshertznewtons
  •  periodamplitudedisplacementfrequencywave speedwavelength, the distance between two corresponding points on a wave
  •  frequencydisplacementwavelengthamplitudeperiodwave speed, the furthest a particle travels from its central point
  •  perioddisplacementfrequencywave speedamplitudewavelength, the time taken for a single cycle of a wave to pass a point
  •  wavelengthdisplacementfrequencywave speedperiodamplitude, the rate at which energy is transferred by the wave through a medium
Frequency (f) and period (T) are related by the equation  f = T²f = T³f = 1/Tf = 1/T²f = √(T)f = T/2.
Wave speed (v), frequency (f) and wavelength (λ) are related by the equation  v = λ/fv = f²/λv = f/λv = fλ²v = f²λv = fλ.

When a wave meets a boundary between two materials, it can be absorbed, transmitted or reflected. A reflected wave  does not pass through the boundary, and instead travels back into the medium it was originally inchanges speed after passing through the boundarypasses through the boundary unchangedstops travelling once it reaches the boundarychanges wavelength after passing through the boundarychanges direction after passing through the boundary.

This is your 1st attempt! You get 3 marks for each one you get right. Good luck!

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