Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 318
is received upon adouble convex lens, it will be recomposed, and if a screen beheld at the focus of the lens, an image will be formedentirely free from color. The manner of performing this experiment is shown in Fig. 206. (307.) Which are the most illuminating rays? now is their heating power?What… … Fiji. 20G 3. If the decomposed light be received upon a concavemirror, it will in like maimer he reeomposed and a colorlessimage produced. 4. If a circular disk of card-hoard he painted as shown inFig. 207, in sectors, the colois being distributed accordingto intensity and tint, as in the spectrum,…
Physics
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