Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 233
conditionsare the same as in C except that the components have thesame amplitude. The result is that the two components de-stroy each other, and the particles of the medium are undis-turbed, as indicated by the straight line. In A (Fig. 174) are given two wave-currents whose wave-lengths are as 1 :… … Fig. 174. combination as in A, but the phases differ by :i^ of a period ofthe shorter wave. Fig. i76 represents wave-lines drawn by a vibrograph. Thesecond line represents a sound two octaves above that which O \AAAAAAAAAAAAAAAAAA/\AAAAA/V\AAAA/VVV\AA/\AA/VV\AAAA/\AA/\/V\aAA/VU\AA Fig. 175. the…
Physics
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