Thursday, February 16, 2012

Attenuation

In physics, abrasion (in some contexts aswell alleged extinction) is the bit-by-bit accident in acuteness of any affectionate of alteration through a medium. For instance, sunlight is attenuated by aphotic glasses, X-rays are attenuated by lead, and ablaze and complete are attenuated by water.

In electrical engineering and telecommunications, abrasion affects the advancement of after-effects and signals in electrical circuits, in optical fibers, as able-bodied as in air (radio waves).

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