Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 219
hout this medium, the dis-tance of the radiant Fi^ 82 from the deviating sur-face will appear dimin-ished in the ratio ofunity to the relative in-dex of refraction of theray in passing from the •denser to the rarer me-dium. This accountsfor the apparent eleva-tion above their true positions of all… … Appearancesaccounted for. ELEMENTS OF OPTICS. 211 APPLICATION TO THE DEVIATION OF LIGHTBY SPHERICAL REFLECTORS. § 51. In reflexion, we have only to consider one <le- E(i»ation , t^ • tit • applicable to a viatmg surface. Equation (20) applies here by making spherical concave m = - 1, Which…
Mechanics · Acoustics · Optics
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