Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 182
§ 14. The angle whichany ray after deviation,makes with the prolonga-tion of the same ray be-fore incidence, is calledthe deviation. Thus,Slv- D £, is the devia-tion by reflexion; andS D S1V; the deviationby refraction. … The deviation ; By reflexion andby refraction. § 15. If we make v m. (2) 174 NATURAL PHILOSOPHY. Equationapplicable to refraction ; Equation (1) becomes sin cp = m sin 9 (3) Equationapplicable toreflexion; which answers to any refracted ray. For the reflected ray, V becomes equal to — V\ and — 1 =…
Mechanics · Acoustics · Optics
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