Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 535
ac-tion. TRANSMISSION OF LIGHT THROUGH TRANSPARENT MEDIA. 542. ivxedia wltb parallel faces.—When light traverses a medium withparallel faces, the cinc>-gcnt rays are parallel to the incident rays. Let MN (fig. 488) be a glass plate with parallel faces, let SA be theincident and DB the emergent… … sm /sin r(537)- At D it is refracted a second time, and the index is then—^—,. But we havesmr seen that the index of refraction of glass to air is the reciprocal of its refraction from air , 1 sin i sm r to glass ; hence—^ = .—:. smr sm z But as the two normals AG and DE areparallel, the angles r…
Physics
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