| Meteorology - 1723 - 1336 pages
...Sine of Refraction. Another refraded Ray FG, and MK being taken to the Semidiameter of the Circle in the Ratio of the Sine of Incidence to the Sine of Refraction ; let LM be joined, and laftly make the Angle under KMN equal to half the given Angle under EI H. This... | |
| 1803 - 572 pages
...form of the undulations, Huygens deduced the obliquity of refraction ; and, whereas in other rases .the ratio of the sine of incidence to the sine of refraction (or ordinate of the spherical undulation) is given, so in the Ic< land crystal, he affirms the r.itio... | |
| René Just Haüy - Physics - 1807 - 490 pages
...thicknesses of the fluids at the places where the rings appeared, were nearly as 3 to 4, that is, in the ratio of the sine of incidence to the sine of refraction, when the light passes from water' into air. Newton imagined that this result might probably be extended... | |
| Thomas Thomson - Agriculture - 1814 - 516 pages
...amounts only to about 14", and at 40° /enith distance is insensible. Let 0 = the zenith distance ; m : 1 the ratio of the sine of incidence to the sine of refraction in air of the density of that at the surface ; a = radius of the earth, and I = height of an uniform atmosphere.... | |
| Science - 1814 - 512 pages
...and at 40° zenith distance j» .insensible. • r_.;rT! «>H; Let 0 = the zenith distance ; m : 1 the ratio of the sine of incidence to the sine of refraction in air of the density of that at the surface ; a = radius of the earth, and I — height of an uniform... | |
| Daniel Cresswell - Euclid's Elements - 1817 - 454 pages
...a ray proceeding from the one, which shall be refracted in a direction passing through the other ; the ratio of the sine of incidence to the sine of refraction being also given. • (cxvi .) ' L . ' • * If a luminous point describe a circle, having its center... | |
| Thomas Thomson - Agriculture - 1817 - 546 pages
...the dispersive power diminishes at a greater rate than the refracting power ; so that if we call i the ratio of the sine of incidence to the sine of refraction, and g the density of the body, the refractive power ('-—-) is not only variable for the same class... | |
| University of Cambridge - 1818 - 360 pages
...constantly full. 7. Having given the radius of an arc of any colour in the secondary rainbow, find the ratio of the sine of incidence to the sine of refraction when rays of that colour pass out of air into water. 8. If a body revolve in an ellipse (whose major... | |
| Thomas Leybourn - Mathematics - 1819 - 430 pages
...constantly full. 7. Having given the radius of an arc of any colour in the secondary rainbow, find the ratio of the sine of incidence to the sine of refraction when rays of that colour pass out of air into water. 8. If a body revolve in an ellipse (whose major... | |
| University of Cambridge - Mathematics - 1821 - 254 pages
...constantly full. 7. Having given the radius of an arc of any colour in the secondary rainbow, find the ratio of the sine of incidence to the sine of refraction when rays of that colour pass out of air into water. 8. If a body revolve in an ellipse (whose major... | |
| |