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The_Wave
2013-11-13 来源: 类别: 更多范文
The Wave
THE WAVE
A Wave is a periodic up-and-down movement of water. Wave
Motion is where individual parts cycle up-and-down, or back-and-forth.
It looks like something is actually moving, but in reality it's the distortion
moving where one part makes the next part move. Distortion is a change
in the shape of an image resulting from imperfections in an optical system,
such as a lens. There are many different types of waves. Some that are
involved in Wave Motion are as followed: Tranverse waves, Light waves,
Compression waves, Sound waves, and Circular waves. An up-and-down
motion creates Transverse waves. Light waves are caused by up-and-
down motions of electric or magnetic fields, thus making them transverse
waves. Back-and-Forth motion creates compression waves.
A loudspeaker cone moves back-and-forth to create a sound wave.
In cases where the material moves in a combination of transverse and
compression ways, this creates circular waves.Characteristics that make
up waves are it's: wavelength, amplitude, velocity, and frequency.
Wavelength is the distance between wave crests. Amplitude is the height
of the wave. Velocity is the measurement of how fast a crest is moving
from a fixed point. Frequency describes the number of cycles that occur
in a given time period.
Some
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