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" 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. "
Optics: Light and Sight Theoretically and Practically Considered, with Their ... - Page 12
by Edward Nugent - 1870 - 268 pages
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The Method of Fluxions Both Direct and Inverse: The Former Being a ...

l'Hospital - 1730 - 212 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 ш the...
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An Experimental Inquiry on Some Parts of the Animal Structure

Clifton Wintringham - 1740 - 304 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 Humor into...
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A Compendious System of Natural Philosophy: With Notes, Containing ..., Volume 1

John Rowning - 1744
...the Lines BF and BH are fo too ; but the Diftance BA vanishing, HB is to CB, as HA to CA : that is, the Sine of the Angle of Incidence is to the Sine of an Angle which is the Difference between the Angle of Incidence and Refraction, or becaufe the Angles...
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A Compendious System of Natural Philosophy: With Notes, Containing ..., Volume 1

John Rowning - 1753
...is to HI, as EC to EH, or (if the Point D and E be confidered as contiguous) as DC to DF j that is, the Sine of the Angle of Incidence is to the Sine of the Angle of Refraction, as the focal Diftance to that of the radiant Point. ^ ED Cafe 3. Of converging Rays pafling out a denfer...
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A Compendious System of Natural Philosophy: With Notes, Containing the ...

John Rowning - 1758 - 45 pages
...to HI, as EC to EH, or (.if the Point D and E" be confidered as contiguous) as DC to DF , that is, the Sine of the Angle of Incidence is to the Sine of the Ang!e of Refraction, as the focal pittance to that of the radiant Point. Jg. SD Cafe j. Of converging...
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A Plain Elementary and Practical System of Natural Experimental Philosophy ...

John Ewing - 1809 - 538 pages
...demonstrated in 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, more nearly. And if the passage...
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Institutes of Natural Philosophy: Theoretical and Practical

William Enfield - 1811 - 428 pages
...incidence will be to that of deviation, as NS to AD — NS, that is, as 2 to i . In passing out of air into water, the sine of the angle of incidence is to that of refraction, as 4 to 3, and to that of deviation, as 4. to 4"~"3* or ' : ant' m passing out...
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The Mathematical Questions Proposed in the Ladies' Diary: And ..., Volume 3

Thomas Leybourn - 1817
...17' 10" is the angle of incidence, its nat. sine = •9999224 ; but when a ray of light passes out ol air into water, the sine of the angle of incidence is to that of refraction as 4 to 3 ; hence 4:3:: -9999224 : -7499418 = sine of 48° 35' 7" = the angle of...
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American Edition of the British Encyclopedia: Or, Dictionary of ..., Volume 6

William Nicholson - 1819
...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 more principal. For instance,...
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British Encyclopedia: Or, Dictionary of Arts and Sciences ..., Volume 9

William Nicholson - 1821
...of incidence will be to that of deviation, as NS to AD — NS, that is, as 2 to 1. In passing out of air into water, the sine of the angle of incidence is to that of refraction, as 4 to 3, and to that of deviation, as 4 to 4 — 3, or 1 ; and in passing out...
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