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 646
. partially polarised. The polarising angle for water is 52° 45;for quartz, 57° 32; for diamond, 68° ; and it is 56° 30 for obsidian, a kindof volcanic glass which is often used in these experiments. Light which is reflected from the surface of water, from a slate roof, froma polished table, or… … 628 On Light. [654- the atmosphere. Almost all reflecting surfaces may be used as polarisingmirrors. Metallic surfaces form, however, an important exception. Brewster discovered the following remarkably simple law in reference tothe polarising angle :— The polanstfig- angle of a substance is that…
Physics
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