Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 33
° (found by table). 1-6 1-6 = -663. As a final instance. Suppose the ray to be travelling in the-opposite direction, so that G F is the incident ray and B F G, or<j/ =: 41be given, the media being the same as in the last case,.ja = 1*6 and /x = 1*5, find 0, or the angle of the refracted ray.… … spective and in section is shownin fig. 4. By means of the above pro-blems and their solutions weare now able to trace the diver-gence of a ray through a yirism. In fig. 5 let A B C repre-sent a prism of very dense flintglass whose absolute refractiveindices \j! for red light is 1-7,and a for blue…
Microscopy
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