 | William Enfield - Astronomy - 1811 - 476 pages
...radiant point and the centre, to CF, the distance between the centre and the focus, is equal to that which the sine of the angle of incidence bears to the sine of the angle of refraction.* Case 7. Of converging rays passing out of a rarer into a denser medium through a concave... | |
 | Henry Coddington - Geometrical optics - 1825 - 254 pages
...is, that when light enters a transparent medium, its course is bent or broken in such a manner, that the sine of the angle of incidence, bears to the sine of the angle of refraction, a certain ratio which is the same however the angle of incidence be varied. The full and... | |
 | William Enfield - Astronomy - 1832 - 282 pages
...point from the centre bears to the distance between the centre and tht; focus (in this ease,. -of 25 to x — 5,) is equal to the ratio which the sine of...sine of the angle of refraction, (that is, of 17 to 11), we shall have in the instance before us the following proportion, _- " ~ /, : : 17 : 11i and compounding... | |
 | Physics - 1832 - 640 pages
...reciprocals of their sines, it follows that when the media on each side of the refracting surface are given, the sine of the angle of incidence bears to the sine of the angle of refraction an invariable ratio. (11.) The discovery of the law of refraction has been sometimes erroneously... | |
 | Sir Daniel Keyte Sandford - Art - 1837 - 528 pages
...discovery of this law was reserved for professor Snellius of Leyden. The law of refraction is that the sine of the angle of incidence bears to the sine of the angle of refraction a constant ratio in the same media. To Descartes, who flourished during the first half of... | |
 | William Holms Chambers Bartlett - Microscopes - 1839 - 290 pages
...the sine of the angle of incidence is equal to that of reflection. Third, That, for the same medium, the sine of the angle of incidence bears to the sine of the angle of refraction, a constant ratio. If to these facts, which are the results of careful experiment, we add... | |
 | Dionysius Lardner - Science - 1846 - 644 pages
...deflection has been determined by a general law, which, expressed in the language of geometry, is, that the sine of the angle of incidence bears to the sine of the angle of refraction, a fixed ratio when the media are given. From this it follows that the deflection of light... | |
 | Popular encyclopedia - 1846 - 1018 pages
...discovery of this law was reserved for professor Snellius of Leyden. The law of refraction is that the sine of the angle of incidence bears to the sine of the angle of refraction a constant ratio in the same media. To Descartes, who flourished during the first half of... | |
 | Baptists - 1852 - 1080 pages
...reciprocals of their sines, it follows that when the media on each side of the refracting surface are given, the sine of the angle of incidence bears to the sine of the angle of refraction an invariable ratio. p f l p"l p"'l (11.) The discovery of the law of refraction has been... | |
 | Harvey Goodwin - Mathematics - 1857 - 692 pages
...ray lie in the same plane with the normal at the point of incidence, and on opposite sides of it. (2) The sine of the angle of incidence bears to the sine of the angle of refraction a ratio dependent only on the nature of the media between which the refraction takes place,... | |
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The sine of the angle of incidence bears to the sine of the angle of refraction a ratio, which is always the same for the same two media and is called the index of refraction. 
