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Hertz effect[′hərts i‚fekt]
Increase in the length of a spark induced across a spark gap when the gap is irradiated with ultraviolet light.
A dependence of the attenuation of a linearly polarized electromagnetic wave passing through a grating of metal rods on the angle between the electric vector and the rod direction, with the attenuation being a minimum when the two are perpendicular.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.