Baly, E. C. C. (Edward Charles Cyril), b. 1871 · London, Longmans, Green · leaf 38
sin which the mutual action of two or more direct pencils oflight is concerned, while the term diffraction is only applied tothe case when an actual bending of the rays occurs, andFresnels extension of Huyghenss axiom is made use of in theproof of the resulting phenomena. The application of… … Fig. io. idea of using in place of the single slit, as was dealt with inthe last case, a number of such apertures placed at an equaldistance apart. He collected all the diffracted rays from theseapertures with a convex lens, and examined the spectra pro-duced at the focus of this lens. This series…
Spectrum analysis
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