Apa bedanya, gelombang transversal buatan Dr. Dan Russell dengan gelombang transversal buatan anak2 8i smpn1Cimahi, pastilah..seru yang dibuat sama anak2 8i...Kalo ngga percaya coba - klik gambar di bawah ini, terusss...perhatikan aksi anak2 8i dari video di bawahnya.
Nah, kalo yang di bawah ini ngga boleh ditiru, berbahaya...gelombang longitudinal ini bisa bikin keseleo.
Tapi, yang di bawah ini, namanya gelombang transversal boong-boongan..
, yang diujung udah sepakat "berdiri" bareng-bareng ya
What is a Wave?
Definition of a Wave
Webster's dictionary defines a wave as "a disturbance or variation that transfers energy progressively from point to point in a medium and that may take the form of an elastic deformation or of a variation of pressure, electric or magnetic intensity, electric potential, or temperature."
The most important part of this definition is that a wave is a disturbance or variation which travels through a medium. The medium through which the wave travels may experience some local oscillations as the wave passes, but the particles in the medium to not travel with the wave. The disturbance may take any of a number of shapes, from a finite width pulse to an infinitely long sine wave.
Examples which illustrate the definitionHave you ever "done the wave" as part of a large crowd at a football or baseball game? A group of people jumps up and sits back down, some nearby people see them and they jump up, some people further away follow suit and pretty soon you have a wave travelling around the stadium. The wave is the disturbance (people jumping up and sitting back down), and it travels around the stadium. However, none of the individual people the stadium are carried around with the wave as it travels - they all remain at their seats.
Longitudinal sound waves in air behave in much the same way. As the wave passes through, the particles in the air oscillate back and forth about their equilibrium positions but it is the disturbance which travels, not the individual particles in the medium.
Transverse waves on a string are another example. The string is displaced up and down as the wave travels from left to right, but the string itself does not experience any net motion.
source : Dr. Dan Russell
Kettering University Applied Physics
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