Focal_point Focal_point

Focal point - Definition and Overview

Related Words: Arch, Asymptotic, Banner, Basic, Bedrock, Capital, Cardinal, Central, Centralized, Centripetal, Champion, Chief, Concurrent, Confluent, Confocal, Convergent, Crowning, Dominant, Essential, First, Fundamental

A focal point may mean the same as focus.

Elements of an antenna:

  1. driven element
  2. parasitic element.

The driven element is directly connected to the transmission line or source.

In mathematics, focal point has a meaning of a critical point of a distance function.

In terms of light and optics, the focal point is the point in which all the rays of light meet after passing through a convex lens, or reflecting off of a concave mirror.

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