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Transverse waves. A duck sitting on the surface of the pond appears to bob up and down as the waves front pass but does not actually change position.

2007-03-11 19:28:42 · answer #1 · answered by Anonymous · 4 3

There are two types of waves- longitudinal and transverse. In longitudinal waves, the particles of the medium oscillate in the same direction as the propagation of wave. For example in sound waves, the compressions and rarifactions formed are in the same direction as the propagation of the sound wave . In transverse waves, the oscillations are perpendicular to the direction of propagation of the wave.

The waves produced by a stone dropped in water are transverse in nature. If you gently keep a small bit of paper on the ripples formed in the water, you will observe that the paper moves up and down but does not move outward with the ripples i.e. the molecules of the water oscillate in the vertical direction but the wave moves radially outward. This proves that the ripples or waves are transverse in nature.

2007-03-14 02:49:33 · answer #2 · answered by atashib 1 · 0 0

They are called surface waves. That is because they mainly involve motions near the original surface of the water, their amplitudes decreasing essentially linearly with increasing depth. To a first approximation, each individual piece of water actually makes a circular motion as the gross wave pattern goes past it. (### see Footnote.) This approximation is valid for shallow water waves, the kind that produce a radiating pattern generally called "ripples" rather than full-blown waves.

At the other extreme, for larger body waves, as the speed of a wave is given by v = (2gh)^(1/2), there is a non-linear effect that makes the larger body waves move faster and so overtake the smaller waves, particularly as the water becomes shallower, e.g. in approaching a coastline or going up onto a beach. As a result, waves become steeper and finally break. That is the effect that gives great waves for surfing contests, etc.

Live long and prosper.

### Later footnote. Several responders have asserted that these shallow water waves are "transverse," meaning that the water merely "bobs up and down." This is NOT true, and CANNOT be true.

Just think about it! To a good approximation, water is incompressible. But if it only "moved up and down", it would be required to successively compress and decompress (since the height it occupies is changing).

As I wrote above, mathematical analysis shows that each individual bit of water actually moves in a small circle. However, the AMPLITUDE of that motion varies with depth, and the PHASE of the motion is a function of horizontal postion. The COLLECTIVE result is the appearance of a travelling wave, although an individual bit of water is actually only moving in a systematically well-ordered way about AN AVERAGE, UNCHANGING POSITION!

(If 'Possum,' for example, had carefully READ the link she gave, rather than skimming it, she would have found surface waves discussed there and carefully DISTINGUISHED from both transverse and longitudinal waves.)

2007-03-12 02:37:41 · answer #3 · answered by Dr Spock 6 · 3 0

Transverse Waves

2007-03-12 04:31:50 · answer #4 · answered by shilpu 2 · 0 1

Rock Waves!
I think it depends on the rock. If a meteorite hits a body of water, it is a Tsunami, when a Sounding Stone is let loose those are called ripples.

2007-03-12 02:30:53 · answer #5 · answered by Anonymous · 0 1

Transverse waves: Wave in which the displacement of the medium's particles is at right angles to the direction of travel of the wave motion. Note that the water particles move up & down while the wave spreads horizontally.
Compressions and rarefications of medium's particles occur in longitudinal waves, i.e. wave in which medium's particles is in the direction of travel of the wave motion (e.g. sound)

2007-03-14 23:13:11 · answer #6 · answered by Govinda 3 · 0 0

Transverse waves: when stone is dropped in water, the energy causes the water molecules to vibrate perpendicular to the direction of motion of energy itself.What we see is called ripple.

2007-03-12 07:36:52 · answer #7 · answered by where's the problem??!! 2 · 0 1

when a stone falls on the surface of the water it pushes the water beneath it..making surrounding water temporarily rushing outside from the center in a circular wave form..depending on the volume and weight circular concentric waves take place.

2007-03-12 02:36:55 · answer #8 · answered by dinesh 1 · 0 1

Water displacement waves. That is, water moving away from what is taking up the space formerly occupied by the water. Same basic reaction happens when you sit down in a tub of water. Since the water has no room to move outward, it moves upward.
Wind displaces surface water the same way. It just doesn't stay displaced.



OK?.......OK.

2007-03-12 02:36:05 · answer #9 · answered by Anonymous · 0 2

when stone drop-ed in-water transverse wave are produced. because wave propagated by particle in medium vibrates up & down these waves are called transvese wave

2007-03-12 03:48:17 · answer #10 · answered by sanjeev G 1 · 0 2

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