| l'Hospital - Calculus - 1730 - 532 pages
...of 4BD) viz. PB is the Sine of the refraded \ngle, В ^ the Sine of the Angle of Incidence. Whence the Sine of the Angle of incidence is to the Sine of the Kefrafted Angle 3i ia 'COBftant Ratio, viz. that ©f rbeVdocity &f Light ¡before ftefrtóbien... | |
| Sir Clifton Wintringham - Anatomy - 1740 - 370 pages
...Doctrine of Cauftics, that the Fluxion of the Incident Ray is to the Fluxion of the Refracted Ray, as the Sine of the Angle of Incidence is to the Sine of the Angle of Refraction, and by § 4. Ex p. XLIX, •V/hen the Rays of Light pafs from the Cryftalline... | |
| John Rowning - Astronomy - 1744 - 470 pages
...Sines bear nearly the fame proper:tion to each other that they themfelves do, the Diftance FB will be to CB as the Sine of the Angle of Incidence is to the Difference between that Sine and the Sine of the Angle of Refraction ; but becaufe BA vani/hes, FB... | |
| John Rowning - Astronomy - 1753 - 476 pages
...i.) is itfelf equal to the Difference between thofe two laft Angles ; and therefore the Line FB i* to CB as the Sine of the Angle of Incidence is to...the Difference between the Angle of Incidence and of Refraftion: Now, becaufe in very fmall Angles as thefe are, for ivefuffofe in this Cafe alfo 'the Dijtance... | |
| John Rowning - Astronomy - 1758 - 500 pages
...El. i.) is itfelf eq'ual to the Difference between thofe two laft Angles ; and therefore' the Line FB is to CB as the Sine of the Angle of Incidence is to the Sine of an Angle which is equal to the Difierence between the Angle of Incidence and of Refraction.' Now, becaufe in very fmall Angles as... | |
| John Ewing - Astronomy - 1809 - 672 pages
...the doctrine of projectiles. It is found by experiment, that when a ray passes out of air into water, the sine of the angle of incidence is to the sine of the angle of refraction, as 4 to 3; and when out of air into glass, as 3 to 2, or rather as 17 to 11,... | |
| William Nicholson - Natural history - 1819 - 394 pages
...to each other, either accurately or nearly, in a given or constant ratio : that from air to glass, the sine of the angle of incidence is to the sine of the angle of refraction as 14.9. INCIDENT, signifies a thing necessarily depending upon another as... | |
| John Playfair - Science - 1822 - 458 pages
...a given ratio to one another. * This amounts to the same with saying, that, in the case before us, the sine of the angle of incidence is to the sine of the angle of refraction in a given ratio. The explanation of the law of refraction thus given is so... | |
| James Ferguson - Eclipses - 1823 - 406 pages
...and the angle KBH is the angle of refraction, whose sine is K I. When the refracting medium is water, the sine of the angle of incidence is to the sine of the angle of refraction as 4 to 3, or as 1.336 to 1 ; which is confirmed by the following experiment,... | |
| James Mitchell - Mathematics - 1823 - 666 pages
...refraction are to each other, accurately, or very nearly, in a given ratio. 3. That from air to glass the sine of the angle of incidence is to the sine of the refracted angle, as 300 to 193, or nearly as 14 to 0 ; and on the contrary from glass to air, the... | |
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