Opticks : or, A treatise of the reflections, refractions, inflections and colours of light (1730)
Newton, Isaac, Sir, 1642-1727 · London : Printed for William Innys at the West-End of St. Paul's · leaf 254
s was fliewn in the firll Propofi-tion. Prop. X. If Light be fwifter in Bodies than in Vacuo, inthe proportion of the Sines which 7ncafure theRefraElion of the Bodies, the Forres of theBodies to refcB and refrafl Light, are verynearly proportional to the denfities of the fameBodies; excepting that… … Angle ACI may be Infinitely little, and let CRbe the refracfled Ray. From a given Point Bperpendicular to the refradling Surface ered: B Rmeeting with the refrading Ray C R in R, andif C R reprefent the Motion of the refradedRay, and this Motion be diftinguifhd into twoMotions CB and BR, whereof C…
Optics
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