apparent depth


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apparent depth

[ə′pa·rənt ′depth]
(optics)
The depth of the image of an object submerged in a transparent medium; it is reduced from the real depth of the object by a factor equal to the relative index of refraction of the medium with respect to air.
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References in periodicals archive ?
The depth of these bands needs to be subtracted from the apparent depth scale (on the right side of the plot) to arrive at a correct depth to the water table.
The apparent depth of the source beds, as seen by the Mars Observer Laser Altimeter aboard MGS, is less than a few hundred meters below the surface -- well within the assumed permafrost region.
Sadly, despite his willingness to accept responsibility, he had no answers to the most pressing questions and no apparent depth in any of his explanations.