Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 289
he length An+ Or will be equal to the number in the length CV+6V, sincethe circumstances are the same in both routes ; the onlydifference, if there be any, must lie in the paths n rand n r\ Since the angle made by the rays A 0 andCO, is very small, these rays will enter the first sur-face under… … Equation fromfigure: d = b . sin i; but under the above supposition, the angle of incidenceat the second surface will be equal to i\ and denoting ELEMENTS OF OPTICS. 281 the corresponding angle of refraction by <p, we also get Equation for . • sm <p = m sin %\ the deviation ; in which m is…
Mechanics · Acoustics · Optics
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