Transverse wave
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In physics, a transverse wave is a wave that oscillates perpendicularly to the direction of the wave's advance. In contrast, a longitudinal wave travels in the direction of its oscillations. All waves
Circular polarization mechanically generated on a rubber thread, converted to linear polarization by a mechanical polarizing filter.
Mechanical wave
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In classical mechanics, a mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through an elastic material medium. Vacuum is, from classical perspective, a non-ma
Ripple in water is a surface wave.