 | Isaac Newton - 1730 - 432 sivua
...Incidence to the Sine of Refraction out of the firft Medium into any third Medium, and of the Proportion of the Sine of Incidence to the Sine of Refraction out of that third Medium into the fecond Medium. By the firft Theorem the Refractions of the Rays of every... | |
 | 1723 - 1336 sivua
...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... | |
 | Benjamin Martin - 1736 - 362 sivua
...BH, making the Angle of Refraftion HBQ^ whofc SincKH:AF::3: 4. < If* CD be a Superficies of Glafs, the Ratio of the Sine of Incidence, to the Sine of Refraction in Glaft, is found by Experiments to be as 1 7 to n ; therefore the Incident Ray AC lhall be refraficdfrom... | |
 | Sir Clifton Wintringham - 1740 - 370 sivua
...Rays of the fame denomination, pafling from one Medium to another, is compounded of the proportion of the Sine of Incidence to the Sine of Refraction out of the firft Medium into any third, and of the proportion of the Sine of Incidence to the $me of Refraction)... | |
 | Benjamin Martin - 1740 - 396 sivua
...the Theorem in Art. 16. Chap. I. of Dioptrics, by putting I to R, as 4 to 3 ; which is the Proportion of the Sine of Incidence, to the Sine of Refraction out of Air into Water. 26. Let us now confider the refracted Ray AG, as reflected from the Concave Surface... | |
 | James Wood - 1801 - 270 sivua
...PROP. XXII. 1 08. Having given the ratio of the fines of incidence and , refraStion, when a ray paffes out of one medium into each of two others, to find the ratio of thf Jine of incidence to the fine ofrefraction out of one of the latter mediums into the other. Let... | |
 | 1803 - 572 sivua
...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 - 1807 - 490 sivua
...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 - 1814 - 516 sivua
...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... | |
 | 1814 - 512 sivua
...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... | |
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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. 
