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How to build a machine that produces the highest frequency!
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<blockquote data-quote="Harte" data-source="post: 29363" data-attributes="member: 443"><p><strong>Re: How to build a machine that produces the highest frequency!</strong></p><p></p><p><div class='quotetop'>QUOTE(\"fanavans\")</div></p><p> </p><p>Fanavans,</p><p>There is no "highest frequency." How you create such a device depends on what it is that you want to vary in a sinusoidal pattern (light, air, water, current, your bedspread?)</p><p> </p><p>The frequency of electricity usually means how many times per second the electricity changes direction and then changes back to the original direction along a wire (or in a circuit.) You are aware that AC current first moves one way, and then back the other way, in a wire, right? In the U.S., the current makes this cycle 60 times per second. One cycle per second is called one Hertz (Hz.) So here the current flow has a frequency of 60Hz. If you learn about circuits, you will learn how to take this frequency into a circuit and increase or decrease it in your circuit.</p><p> </p><p>In air, frequency corresponds to sound (though most waves in air are inaudible to you and me.) The same can be said for water. Higher pitches correspond to higher frequencies. If you increase the frequency enough, it will eventually go out of range of your hearing, but it will still be there.</p><p> </p><p>Water waves on the surface also have frequency, it is the number of wave crests (or troughs) that pass per second. Usually pretty low, huh.</p><p> </p><p>Light can be considered a wave, so light has frequency. In the range of visible light, colors tell us what wavelength of light we are seeing. The redder the color, the longer the wavelength, the bluer, the shorter. </p><p> </p><p>There is a simple relation between wavelength and frequency. Since the wavelength is the length of the cycle from crest to crest (or trough to trough), and the frequency is the number of wavelengths that pass in one second, you can see that the speed of the wave = wavelength*frequency.</p><p>Since the speed of light is constant ?, we have:</p><p>c=f*L or f=L/c. This relationship is true for any kind of wave, as long as you know the wave speed is constant (you know, like the speed of sound.)</p><p> </p><p>This should give you at least some grasp of what frequency means in the physical world, not just in the mathematical one.</p><p> </p><p>Harte</p></blockquote><p></p>
[QUOTE="Harte, post: 29363, member: 443"] [b]Re: How to build a machine that produces the highest frequency![/b] <div class='quotetop'>QUOTE(\"fanavans\")</div> Fanavans, There is no "highest frequency." How you create such a device depends on what it is that you want to vary in a sinusoidal pattern (light, air, water, current, your bedspread?) The frequency of electricity usually means how many times per second the electricity changes direction and then changes back to the original direction along a wire (or in a circuit.) You are aware that AC current first moves one way, and then back the other way, in a wire, right? In the U.S., the current makes this cycle 60 times per second. One cycle per second is called one Hertz (Hz.) So here the current flow has a frequency of 60Hz. If you learn about circuits, you will learn how to take this frequency into a circuit and increase or decrease it in your circuit. In air, frequency corresponds to sound (though most waves in air are inaudible to you and me.) The same can be said for water. Higher pitches correspond to higher frequencies. If you increase the frequency enough, it will eventually go out of range of your hearing, but it will still be there. Water waves on the surface also have frequency, it is the number of wave crests (or troughs) that pass per second. Usually pretty low, huh. Light can be considered a wave, so light has frequency. In the range of visible light, colors tell us what wavelength of light we are seeing. The redder the color, the longer the wavelength, the bluer, the shorter. There is a simple relation between wavelength and frequency. Since the wavelength is the length of the cycle from crest to crest (or trough to trough), and the frequency is the number of wavelengths that pass in one second, you can see that the speed of the wave = wavelength*frequency. Since the speed of light is constant ?, we have: c=f*L or f=L/c. This relationship is true for any kind of wave, as long as you know the wave speed is constant (you know, like the speed of sound.) This should give you at least some grasp of what frequency means in the physical world, not just in the mathematical one. Harte [/QUOTE]
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