MadSci Network: Physics (View this file without Frames) |
In transverse waves we are taught and teach that the particles in the medium move perpendicular to the axis of propagation of the wave. Also the speed of the wave depends on the nature of the medium (ie independent of amplitude, wavelength etc). However we use water waves as examples of transverse waves. In ocean waves the particles move in vertical circular patterns with the radii of the circles decreasing below the surface until lambda/2 distance is reached. Also there is a forward drift of the particles in the direction of the waves. Secondly the speed of ocean waves depends on fetch, amplitude, wavelength of the wave. Why the difference? I know ocean waves are complex entities, but I have been unable to find a satisfactory explanation from physics/geology texts I've consulted. Is it possible to email me an answer? Thanks Jim Stamell
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