point source

Noun

Meaning

a concentrated source (especially of radiation or pollution) that is spatially constricted

Source: WordNet

Synonyms

point of ignition prime sources fixed sources originating point point light source point source governed point source pollution point source that was emanating point sources source point source spot spot light source stationary sources major sources discrete source
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Hypernyms

beginning source origin root rootage

Examples

An ideal point source is an infinitesimally small point radiating sound. Source: Internet

General aperture The wave that emerges from a point source has amplitude at location r that is given by the solution of the frequency domain wave equation for a point source (The Helmholtz Equation ), : where is the 3-dimensional delta function. Source: Internet

Because such radiation expands as it passes through space, and as its energy is conserved (in vacuum), the intensity of all types of radiation from a point source follows an inverse-square law in relation to the distance from its source. Source: Internet

Between two spherical waves Optical interference between two point sources for different wavelengths and source separations A point source produces a spherical wave. Source: Internet

A point source illuminates a circular object, casting a shadow on a screen. Source: Internet

Conversely, a point source of light placed at the focal point is converted into a collimated beam by the lens. Source: Internet

Close letter words and terms

Point Reyes Station point shave point shaving point source governed point source pollution point source that was emanating