Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 354
nited again. The image, when properlyfocussed, will be white. (3) Next, we may allow the dispersed light to fall upon several small plane mir-rors, and then by adjustingthese properly the variouscolours may be reflected toone place on the screen,which then appears white(Fig. 405). In place of the… … Fig. 405.—The light after passing through theprism falls on several small mirrors whichreflect it to one place on the screen. 344 DISPERSION, COLOUE, SPECTRUM ANALYSIS upon the opposite wall of the room. Then, by taking hold ofthe two ends of the strip, gently bend it until it becomesconcave enough…
Physics
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