Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 368
in thesame time as it would describe the excess of N D over K A in thefirst medium. Let circles be described from B, C, and other pointsof AD, according to the same law. Then a straight line a6cDtouching all these circles represents a plane refracted wave. It canbe demonstrated that the sine (see §… … Fig. 254. 306. Failure of the emission theory to account for the refrac-tion of light. To explain refraction from a rare to a denser medium accordingto the emission theory of light it is necessary to assume that whena light particle shot from a luminous body comes within a verysmall distance of the…
Physics
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