 | Peter Guthrie Tait - 1865 - عدد الصفحات: 394
...„ sin a F' Hence, I7Tv = -TF! and, therefore, for particles of light which have the same velocity the ratio of the sines of the angles of incidence and refraction is constant. This is the known law of ordinary refraction. We have introduced this example, although... | |
 | William Whewell - 1866 - عدد الصفحات: 680
...difference of less than half a degree each way. AVhen we consider how simple the law of refraction is, (that the ratio of the sines of the angles of incidence and refraction is constant for the same medium,) it appears strange that a person attempting to discover it, and drawing... | |
 | Golding Bird, Charles Brooke - 1867 - عدد الصفحات: 894
...effect is produced with regard to sonorous undulations, placed under similar circumstances. Moreover, the ratio of the sines of the angles of incidence and refraction is found to be the same as that of the velocities of sound in the respective media. These facts may... | |
 | Adolphe Ganot - 1868 - عدد الصفحات: 886
...the second iw only of single refraction, that is, the planes of incidence and refracion coincide, but the ratio of the sines of the angles of incidence and refraction is not constant. ir. The velocities of light along the rays are unequal. It can be ihown that the difference... | |
 | GEORGE FOWNES, F.R.S. - 1869 - عدد الصفحات: 876
...expressed by saying, that so long as the light passes from one to the other of the same two media, the ratio of the sines of the angles of incidence and refraction is constant. This ratio is called the index of refraction. Different bodies possess different refractive... | |
 | George Fownes - 1870 - عدد الصفحات: 894
...expressed by saying, that so long as the light passes from one to the other of the same two media, the ratio of the sines of the angles of incidence and refraction it confiant. This ratio is called the iniicz of refraction. Different bodies possess different refractive... | |
 | Peter Guthrie Tait, William John Steele - 1871 - عدد الصفحات: 462
...of the two media. TT 8m Hence, and, therefore, for particles of light which have the same velocity the ratio of the sines of the angles of incidence and refraction is constant. This is the known law of ordinary refraction. Unfortunately, however, in order that a... | |
 | Augustin Privat-Deschanel - 1873 - عدد الصفحات: 298
...When the plane of incidence is parallel to the axis, the extraordinary ray lies in this plane, but the ratio of the sines of the angles of incidence and refraction is variable. When the plane of incidence is oblique to the axis, the extraordinary ray generally lies... | |
 | Edward Charles Pickering - 1873 - عدد الصفحات: 240
...again, and thus take ten or fifteen readings between B and D. 10 a Now from these readings to prove that the ratio of the sines of the angles of incidence and refraction is always constant and equal to the index of refraction. In the figure, the angle of incidence equals... | |
 | a. privat deschanel - 1873 - عدد الصفحات: 1076
...When the plane of incidence is parallel to the axis, the extraordinary ray lies in this plane, but the ratio of the sines of the angles of incidence and refraction is variable. When the plane of incidence is oblique to the axis, the extraordinary ray generally lies... | |
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... that the ratio of the sines of the angles of incidence and refraction is constant for refraction in the same medium, was effected by Snell and Descartes. 
