Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 181
meequation. 10. And resuming Equation (29), Acoustics, which is v . sin. 9 = -y? sin. 9 • • . . . (i) we may determine all the circumstances of velocity anddirection of incident, reflected and refracted light. Inthis equation V, denotes the velocity of light in the first,and V, its velocity in the… … § 11. Let us here repeatthe notation -of § 71, Acous-tics. The surface whichseparates the two media,and of which M J\T, repre-sents a section by a normalplane, is called the deviatingsurface / and, supposing thewave to be moving from Stowards D, WW is calledthe incident, W W thereflected, and WW…
Mechanics · Acoustics · Optics
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