So when infrared EMR hits a substance, it oscillates electrons right? or does it oscillate entire molecules?..

by on 18. Aug, 2010 in Electronic Medical Records

or it does a bit of both? Please help me understand. Also, if I understand correctly, into EMR vibrating particles is an for example of the resonance into compare the scientists into a friend pushed on a Schaukel.Hier is what I understand does never have the analogy with a friend on a swing, as amplitude increases, the frequency decreases effectively. But with particles from the Sun varies its heat is working, like their amplitude increase? And if so, is never limited attainable amplitude of the EMR-constant f? Thanks all.

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2 Responses to “So when infrared EMR hits a substance, it oscillates electrons right? or does it oscillate entire molecules?..”

  1. maussy 18. Aug, 2010 at 12:39 am #

    No, this is ONLY by infrared vibrations of such a bound between two atoms. It is not the whole molecule, or the electronic applications that are involved, but bound vibrations between the atoms in one. Amplitude for the number of molecules that are the emotions

  2. Chloralhydrate 18. Aug, 2010 at 12:41 am #

    There are some things in which I do not not agree with maussy: The analogy with friends on a swing is not good – better analogy is a ball on a spring – because it does not affect the amplitude of the frequency, only the mass of the sphere and the strength of the spring is considered, and this is the case of the IR Absorption – the frequency depends on the mass of the atoms involved in the movement, as well as the strength of the bonds. It is not true that only two atoms can be varied – this is the stretching vibration, but also deformation vibrations exist, and these are on the whole molecule. The only movement is a frequency that absorb them – make uniform amplitude of movement – this can be proved by quantum mechanics. If you irradiate it with a double frequency (first harmonic), it will be the same vibrations, but with higher amplitude. Having really high frequency of the radiation (and thus a high energy), the bonds could be stretched so far that they break even. (Atoms apart to get a lot)

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