Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 418
, erected at those parts ofthe spectrum towhich they cor-respond, onpassing beyondthe red endthese lines in-crease rapidlyand greatly inlength, reach amaximum, andthen fall some-what more sud-denly. If these lines are connected, they form a curve (fig. 390), which beyond the redrepresents a peak,… … Fig. 390. -432] Ljiminous and Obscure Radiation. 401 the electric light. The upper curve in fig. 391 represents the spectrum ofsunlight with a rock-salt prism, while the lower curve represents the resultsobtained with a flint-glass prism, which is thus seen to absorb some of theultra-red radiation.…
Physics
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