| James Wood - 1801 - 270 pages
..., and alfo, A.*~B, the angle of deviation, inPROP. XVIII. ' ioi . A ray of light cannot pafs out of a denser into a rarer medium if the angle of incidence exceed a certain, limit. Let a ray of light AB be incident upon the furface EBF of a rarer medium, and refracted... | |
| 1854 - 470 pages
...objects as the one in question are illuminated by oblique light ; for a ray of light cannot pass out of a denser into a rarer medium if the angle of incidence exceed a certain limit, and this limit is different in substances of different refractive powers. Thus all... | |
| 1854 - 472 pages
...objects as the one in question are illuminated by oblique light ; for a ray of light cannot pass out of a denser into a rarer medium if the angle of incidence exceed a certain limit, and this limit is different in substances of different refractive powers. Thus all... | |
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