 | John Narrien - Geodesy - 1845 - 484 pages
...refraction. Let the angle ZOT be represented by z, and TAS by r; then, z'AS=z + r. Now, by Optics, the sine of the angle of incidence is to the sine of the angle of refraction in a constant x- ^ j- • • .0. ^ c sin- (z + r"> ratio, the medium remaining... | |
 | J. Goodall, W. Hammond - 1848 - 390 pages
...air, into a dense medium, as water, the angle of incidence is greater than the angle of refraction. The sine of the angle of incidence is to the sine of the angle of refraction as 1.336 is to 1. For other bodies we should obtain different degrees of refraction;... | |
 | Mrs. Lincoln Phelps - Physics - 1848 - 330 pages
...of the angles of incidence and refraction are always in the same ratio; thus, from air into water, the sine of the angle of incidence is to the sine of the ingle of refraction nearly as 4 to 3, whatever be the position of the ray with respect to the refracting... | |
 | Johann Georg Heck - Encyclopedias and dictionaries - 1851 - 712 pages
...have sin. 15° 0.259 sin. 60° 0.866 BiTn5"i6r== Ol94 = *' and "sTnTlb~0"3uT = OG49 = * ; that is> the sine of the angle of incidence is to the sine of the angle of refraction : : 4 : 3. The index of refraction, four thirds, answers for the case where... | |
 | John Gummere, Ezra Otis Kendall - Astronomy - 1854 - 484 pages
...of refraction changes with a change in the angle of incidence. The law of this change is such that the sine of the angle of incidence is to the sine of the o angle of refraction in a constant ratio, which is called the index of refraction. Thus if I be... | |
 | Francis Bacon - 1857 - 880 pages
...According to the common use of language, it is a fact and not a theory that in ordinary refraction the sine of the angle of incidence is to the sine of the angle of refraction in a given ratio. But the observations on which this statement is based, and... | |
 | Johann Georg Heck - Encyclopedias and dictionaries - 1860 - 332 pages
...0.866, 0.649. Constructing the above proportions we have sin. 15° 0.259 sin. 60° 0.866 that is ' the sine of the angle of incidence is to the sine of the angle of refraction : : 4 : 3. The index of refraction, four thirds, answers for the case where... | |
 | Samuel Haughton - 1867 - 316 pages
...refracting surface, on passing through that surface it undergoes a deviation, determined by the law that the sine of the angle of incidence is to the sine of the angle of refraction in a constant ratio. On performing this experiment with common, or white light,... | |
 | Edward Nugent (C.E.) - 1868 - 294 pages
...R, and DF the sine of the angle of refraction i) c s. It therefore follows that from air into water the sine of the angle of incidence is to the sine of the angle of refraction as 1'336 to 1, whatever be the slanting direction of the incident ray with... | |
 | John Henry Pepper - Chemistry - 1869 - 722 pages
...water to measure 12 in., and the sine of the angle of incidence 16 in., it would follow that in water the sine of the angle of incidence is to the sine of the angle of refraction as i'336 to 1, or as nearly as possible i^ to 1. The number i -336, which expresses... | |
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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. 
