More Waves - PowerPoint PPT Presentation

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More Waves

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More Waves Waves Waves are the means by which energy is transferred from one point to another There are two types of waves: transverse and longitudinal Ex. Rope Ex ... – PowerPoint PPT presentation

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Title: More Waves


1
More Waves
2
Waves
Waves are the means by which energy is
transferred from one point to another There are
two types of waves transverse and longitudinal
Ex. Rope
Ex. Slinky
3
  • Medium- what the wave travels through
  • Ex. Water, spring, string, air
  • Longitudinal waves- sound waves, seismic waves or
    pressure waves
  • Transverse waves- electromagnetic waves

4
Waves
Parts of a Wave
Frequency- the number wave that pass a point in a
second
5
Waves
The Wave Equations
6
Waves
Wave Movement
Reflection bounce off a surface Refraction bend
through an object Diffraction waves wrapping
around an edge
7
Waves
Wave Movement
Resonance vibrations caused by
waves Polarization filters block out certain
wavelengths and allow only certain waves through
8
Standing Waves
  • Between two barriers- node on each end. At the
    nodes, the wave changes direction.

9
  • n of antinodes
  • vf?
  • v?2L
  • f(nv)/2L
  • Standing wave where 1?2L

10
Interference
  • Interference when two or more waves meet
  • Constructive interference- waves add get bigger
  • Destructive interference- waves get smaller and
    cancel out

11
?shortc/flargest
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