Duff, A. Wilmer (Alexander Wilmer), b. 1864, ed, Guthe, Karl Eugen, 1866-1915, Hallock, William, 1857-1913, Lewis, E. Percival (Exum Percival), 1863-1925, Goodspeed, Arthur W. (Arthur Willis), b. 1860, Carman, Albert Pruden, b. 1861, McClung, Robert Kenning, 1874- · Philadelphia, P. Blakiston's Son & Co · leaf 411
are largely determined by 394 LIGHT. interference, these effects varying with the size of the drops. The op-proximate angular magnitude of the various bows may, however, bedetermined by the simpler geometrical method of Descartes, with littleerror in the case of large drops. If parallel rays are… … multiple reflection within the sphere, but for the present we shall fix ourattention upon the rays which reach the eye at O after one internalreflection. As indicated by the course of the rays incident at P, P^ and P.,there is an angle of minimum deviation, below which no rays once inter-nally…
Physics
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