Carhart, Henry S. (Henry Smith), 1844-1920 · Boston : Allyn and Bacon · leaf 275
ight irregularly reflected from finematter suspended in the water. PROBLEMS. 1. In Iceland spar there are two refracted rays (225). Theindices of refraction for the two are 1.658 and 1.486. Find the critical angle for each. 2. For chromate of lead the least index of refraction is 2.5 ; thegreatest,… … REFLECTION AND REFRACTION. 265 192. General Construction for Refraction at a SingleSurface (D., 125). — Let AB (Fig. 125) be an advancingwave-front and CD the bounding surface of the densermedium. Through a number of points of AB draw normals AE, BF, etc. Make all these normals equal to one
Physics
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