When the displacement of the wave is the same as the direction of flow of energy of the wave
Examples: Spring, Sound
Transverse:
When the displacement of a wave is perpendicular to the direction of the flow of energy of the wave
Examples: Radio, Microwaves, Infrared, Light, Ultraviolet X-rays, Gamma rays, Water, Rope, Spring
Have you worked out a way to make these .swf files interactive yet? That would be very cool!
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