Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 531
e angles MOA and DOP in the .scales I and R, the numbers are foundto vary with the position of the screens,but their ratio is constant ; that is, ifthe sine of incidence becomes twice orthree times as large, the sine of refrac-tion increases in the same ratio, whichdemonstrates the first law. The… … Fig. 480. imb is perpendicular to the surface and refracted angle is called index of refraction, or refractive index. L L It 514 On LioJit. [638- vanes with the media ; for example, from air to water it is *, and from air toglass it is i. If the media are considered in an inverse order—-that is, if…
Physics
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