Koninklijke Akademie Van Wetenschappen (Netherlands). Afdeeling Natuurkunde
The book Proceedings of the Section of Sciences, volume 8 was written by author Koninklijke Akademie Van Wetenschappen (Netherlands). Afdeeling Natuurkunde Here you can read free online of Proceedings of the Section of Sciences, volume 8 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Proceedings of the Section of Sciences, volume 8 a good or bad book?
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If we wish to take it into account, we shall find that all that i)recedes will still hold, provided only we i-eplace ii^ by the quantity 7i\, determined bj- f ^ a = m' wV (89) Indeed, (28) may then be written iji the form and the place of maximum absorption, the middle of the line, will correspond to the frequency fi^, exactly as it formerly corresponded to the fi-equency u\. Now, by (7) and (10) and by (39) nV = n,'-£;, n\ = n,-£-, .... (40) or, on account of (10), '*o = «o — o (*1) We learn f...rom this equation that an increase of the density must Digitized by Google ( «1«) give rise to a small displacement of the ab8or])tion line towards the side of the larger wave-lengths. A shift of this kind has been observed by Humphreys and Mohlkr in their investigation of the in- fluence of pressure on the position of spectral lines. However, as the formula (41) does not lead to the laws the two physicists have established for the new phenomenon, I do not pretend to have given an explanation of it.
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