Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 201
es from it; when virtual, the deviated wave prO-deviated wave ? *■ proceeds for real ceeds only from the deviating surface, but with dimen-and for virtual slons the same as though it had departed from the virtual foci. ° * focus. § 32. If the raywhich is deviated atthe first, be incident First… … suppose this ray to have proceeded originally from F1;and denoting the distance from the new vertex 0\ tothe point F\ in which this ray, after deviation at thesecond surface, meets the axis, by /, and the index ofrefraction of the second medium by m\ we shall havefrom Equation (20),…
Mechanics · Acoustics · Optics
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
