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Query was: spectrum

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• Title: Third Lecture (First Scientific Lecture-Course)
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  • spectrum, while with the larger circle the colours formed at the
• Title: Fourth Lecture (First Scientific Lecture-Course)
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  • spectrum. The “subjective” spectrum appears as an
  • colour-spectrum, began to speculate as to the nature of light. Here
  • spectrum extending from violet to red — engendered directly by
  • the Sun. But we can also generate the spectrum in another way.
  • us such a spectrum. It does not matter if we get the spectrum from
  • generate a spectrum in a somewhat different way (
  • to gas; it burns and volatilizes. We make a spectrum of the sodium as
  • it volatilizes. Then a peculiar thing happens. Making a spectrum, not
  • find one place in the spectrum strongly developed. For sodium light
  • spectrum of sodium. The rest of the spectrum is stunted —
  • entire spectrum, only the rest of the spectrum in this case is
  • can make spectra of this kind appearing not as a proper spectrum but
  • spectrum of it, we can conclude, if we get this yellow spectrum for
  • this cylinder of light and the spectrum of it, while at the same time
  • Fresnel's experiment. In the resulting spectrum you might expect the
  • might do; it gets in the way. This yellow part of the spectrum is
  • prism, it appears to me in such a way that I get a spectrum: red,
• Title: Fifth Lecture (First Scientific Lecture-Course)
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  • prism, we get a “spectrum”, a luminous picture, very like
  • IVg). The rest of the spectrum is stunted, so to speak. By very
  • luminous gives a complete spectrum — expending all the way from
  • red to violet, to say no more. Suppose for example we make a spectrum
  • with glowing sodium gas: in the midst of a very feeble spectrum there
  • the continuous spectrum and the one generating, say, the sodium line,
  • yellow) of the spectrum. It blots it out, so that we get a black line
  • For the yellow of the spectrum, another yellow (the strength of which
  • developed at this place of the spectrum) acts like an opaque body. As
  • spectrum when we interpose the glowing sodium. We have not been able
  • to arrange the experiment so as to project the spectrum on to a
  • screen. Instead we will observe the spectrum by looking straight into
  • it with our eyes. For it is possible to see the spectrum in this way
  • the following experiment. You now see the complete spectrum projected
  • disulphide. Note how the spectrum is changed. When I put into the
  • disulphide, this light is extinguished. You see the spectrum clearly
  • carbon disulphide — you see the complete spectrum divided into
  • light itself. For if I only cast a spectrum here it is indeed like
  • way brought about a phenomenon of colour — say, a spectrum. I
• Title: Sixth Lecture (First Scientific Lecture-Course)
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  • showing, — e.g. the forming of the spectrum. The explanation is
  • spectrum, in which we either create or extinguish the sodium line