Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 89
l. Fig. 37. pulse, is called a ray of sound. The angle N A D,which the normal to the incident pulse makes with thenormal to the deviating surface, is called the angle ofincidence. The angle BAD, whichthe normal to the reflected pulsemakes with that to the deviatingsurface, is called the angle of… … Direction of the § 73. The law which determines the course of the re- refractcd pulse „ . -, -,. in . i i • i i i • determined- fracted pulse is equally simple, and is deduced in a man-ner analogous to the preceding. Let A 3f be an inclined element-ary plane pulse, incident upon a de-viating…
Mechanics · Acoustics · Optics
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