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الكتب الكتب 1 - 10 من 35 في... in the ratio of the sine of incidence to the sine of refraction (Art. 881.) when....
" ... in the ratio of the sine of incidence to the sine of refraction (Art. 881.) when the light passes from water into air. "
Cambridge Problems: Being a Collection of the Printed Questions Proposed to ... - الصفحة 168
1821 - عدد الصفحات: 425
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Philosophical Transactions of the Royal Society of London, المجلدات 31-33

JSTOR (Organization) - 1723
...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...
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The Young Trigonometer's Compleat Guide: Being the Mystery and ..., المجلد 1

Benjamin Martin - 1736 - عدد الصفحات: 328
...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...
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The Elements of Optics: Designed for the Use of Students in the University

James Wood - 1801 - عدد الصفحات: 251
...be feen ; nor the fecondary, when his altitude is equal to, or exceeds 54°, i o'. PROP. XCVI. 435. Having given the radius of an arc of any colour in the primary rainbow, to find the ratio ofthefine of incidence to the fine of refractioti when rays of that...
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The Monthly review. New and improved ser

1803
...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...
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An Elementary Treatise on Natural Philosophy, المجلد 2

René Just Haüy - 1807 - عدد الصفحات: 427
...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...
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Annals of Philosophy, Or, Magazine of Chemistry, Mineralogy ..., المجلد 4

1814
...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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The Annals of Philosophy, المجلد 4

1814
...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...
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An Elementary Treatise on the Geometrical and Algebraical Investigation of ...

Daniel Cresswell - 1817 - عدد الصفحات: 436
...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...
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New Series of The Mathematical Repository, المجلد 4

Thomas Leybourn - 1819
...orifice in the side or bottom of a vessel in a given time ; the vessel being kept constantly full.7. Having given the radius of an arc of any colour in...rainbow, find the ratio of the sine of incidence to the tine of refraction when rays of that colour pass out of air into water. 8. If a body revolve in an...
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A system of mechanical philosophy, المجلد 3

John Robison, James Watt - 1822 - عدد الصفحات: 50
...formula for a, the radius of curvature for the anterior surface of a lens. — a 2 wi2+ TO 4 m + 4 1S the ratio of the sine of incidence to the sine of refraction, and r is the distance of the focus of incident rays, positive or negative, according as they converge...
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