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47_trans_long - Lesson 47 Transverse Longitudinal Waves...

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Lesson 47: Transverse & Longitudinal Waves There are essentially two main types of waves (although there is a third called "surface waves" we don’t need to study them); transverse and longitudinal waves. Transverse Waves Transverse waves are the waves that have the classical wave shape everyone thinks of when they imagine a wave. Particles of the medium move perpendicular to the direction the transverse wave itself is moving. For example, if the wave is moving to the right, the particles of the medium are moving up and down. Try shaking a skipping rope or other long rope to get a wave like the one pictured above. Tie a ribbon to one spot on the rope and watch just the ribbon… you will see it bounces only up or down, while the wave travels away from you. They are moving perpendicular to each other. The best examples of transverse waves are plucking the strings on any stringed instrument. Longitudinal Waves Most people don’t usually picture longitudinal waves when they think of a wave.
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