Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 465
X were subtracted fromwhite light, the residuewould be colored light. To test this experimentallylet a beam of sunlight bepassed through a slit s, aprism P, and a lens L, to a f„;.44.2. Recombination of spectral colorsscreen S, arranged as in into white light Fig. 442. A spectrum will be formed at… … COLOR AND WAVE LENGTH 407 beam at R, so as to cut off the red portion of the light. The spot on Swill appear a brilliant shade of greenish blue. This is the compoundcolor left after red is taken from the white light. This shade of blueis therefore called the complementary color of the red which has…
Physics
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