Barton, Edwin H. (Edwin Henry), b. 1858 · London, Macmillan and Co., limited · leaf 218
cements of the incident disturb-ance, and make on the other side of the origin a copy ofthem derived by rotating the incident wave through 180°about the axis of z (at right angles to the axes of bothx and y). Let the original disturbance proceed in thepositive direction at speed v, and the copy of…
Sound
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