Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 187
into actual contact, there will still be no deviation, andwe find that a wave will emerge from a medium, ar-ranged in parallel strata, parallel to its position before entrance. 12 178 NATURAL PHILOSOPHY. To find therelative index ofrefraction; § 20. Let us next sup-pose a ray to traversetwo media A… … the second, or denser medium in reference to the first, Equationsapplicable to tbodeviations; sin <p =sin <p == m sin <p m sm <p n 1 (7) it Multiplying these Equations together, there will result Result ofoperations; tt m m = — r^\ m (T) Rule. Example; Result That is to say, to find the…
Mechanics · Acoustics · Optics
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