Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 191
Deviation of aray of light inpassing througha prism ; § 25. To find the deviation of a ray of light in passingthrough a prism,let S D be theincident, D Dthe first, and DS the second re-fracted ray. Thetotal deviationwill be SES\ … ELEMENTS OF OPTICS. lg Q which denote by c> ; then, calling the refracting angleof the prism a, and adopting the notation of the figure,we shall have Equations; 180° or* =a + MDD +3£Df D = a +|— 9 + ^-+ or a = >]/ + (p Q-0) Refracting angle; hence £ — p -f- ^ — a (11) Deviation The deviation…
Mechanics · Acoustics · Optics
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