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À
19/11/2004 11:42:19
Information générale
Forum:
Politics
Catégorie:
Autre
Divers
Thread ID:
00952285
Message ID:
00963126
Vues:
30
I thought the universe was analogue!:)

>>But is not what I wanted. Planck said something about the relationship between time and the wavelenghts of quanta. As time moves forward, the wavelengths increase.
>
>Right. A wave has two important properties: frequeny and wavelength.
>
But really, they are the same property, just inversely related. As the shorter the the distance between two crests of the wave (wavelength) the more crest-to-crest portions of the wave will exist (frequency).

Unless time is dialating proportionally to increase in wavelength - then it would appear (or would be!) at the same frequency. The ruler would elongate at the same rate that the King's foot was.

>
>Helps to show it visually:
>
>
>--    --    --
>  |  |  |  |  |  |
>  |  |  |  |  |  |
>   --    --    --
>
>
>This wave has a wavelength of 4 dashes and it repeats 3 times, so we'll say its frequency is 3.
>
>We'll take the same wave and use a longer wavelength:
>
>
>----      ----
>    |    |    |    |
>    |    |    |    |
>     ----      ----
>
>
>When we increase the wavelength, in the same amount of space the wave repeats less, so it has a lower frequency. Since frequency is 1/time then it is the inverse of time. So, yes, as the time goes up, so does the wavelength.
>
>I don't think this has anything to do with what Planck said. This is simply wave physics that has existed for sometime before Planck.
>
>What Planck and Einstein were able to tell us is that light works like this wave, and it delivers its energy in a single wavelength "chunk" called "quantum." The energy a wave delivers is always one quantum (the value "h" which is Planck's constant), two quanta (2h), three quanta (3h) or N quanta (Nh) where N is a positive integer.
Imagination is more important than knowledge
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