Translations:Dictionary:Apparent velocity/1/en
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{{#category_index:A|apparent velocity}} 1. The phase velocity that a wavefront appears to have along a line of geophones. If the wavefront makes the angle θ with the spread and the true velocity of the wavefront is V, then the apparent velocity is V/sinθ. See Figure W-2. 2. The inverse of the slope of a refraction time-distance curve.