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    • DOUBLE SLIT
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    • SINE
    • SINE COSINE
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WAVE ANIMATION: Compression Wave (e.g. sound wave)
COMPRESSION WAVE
Animation of a compression wave (longitudinal wave) moving from left to right. Particles are shoved forward by the vibrating surface (the white bar at the left, representing, for example, the surface of a hifi speaker) and then they return to their original positions (they oscillate in same the direction that the wave travels, hence longitudinal). This creates a region of higher pressure and density (compression) that travels along as a wave. This is immediately followed by a zone of lower pressure (or rarefaction, where the particles are further apart). This is how sound propagates in air or water and how p-waves travel during earthquakes. The phase of the particles determines their colour in this animation, giving a sense of the wave progression.
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  • HOME
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    • PRIVACY
    • ABOUT
    • LINKS
  • DNA
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    • COVID
    • HIV
    • INFLUENZA
    • POX
    • WEST NILE
  • OPTICS
    • LENS
    • PRISMS
    • MIRRORS
    • DOUBLE SLIT
    • COLOUR MIXING
    • CORNER CUBE
    • TOTAL INTERNAL REFLECTION
  • WAVES
    • DOUBLE SLIT
    • COMPRESSION WAVE
    • SINE
    • SINE COSINE
  • METALS
    • GOLD
    • URANIUM
  • PHYSICS
    • FOUCAULT'S PENDULUM
    • POTENTIAL ENERGY KINETIC ENERGY
  • ELECTRICITY
    • AC DC Currents