Carhart, Henry S. (Henry Smith), 1844-1920 · Boston : Allyn and Bacon · leaf 169
, and the resulting amplitude is double that of either component. In // the phases differ by one-quarter, and in III by one-half a period. In the last case the two motionscompletely annuleach other. In Fig.74 the periods ofthe two wave systems are as 1 to2. The resultingcurve is not a sinusoid,… … Fig. 74. NATURE AND MOTION OF SOUND. 159 128. Interference and Beats (V., II, 92).—The lasttopic illustrates the superposition of two wave systems inthe same medium. In the case of two water-waves thetotal elevation or depression, relative to the primitive level,is at each point and at each instant…
Physics
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