Point source

Point Source is a term used in Environmental Science and Physics to describe a single identifiable source of pollution, light, sound, or other phenomena. It is contrasted with a non-point source, which is spread out and harder to identify or control.

Definition

A point source is a single, identifiable source of something, such as pollution, light, or sound. This can be contrasted with a non-point source, which is spread out and harder to identify or control. In environmental science, a point source of pollution might be a single factory or power plant. In physics, a point source might be a single light bulb or speaker.

Environmental Science

In Environmental Science, point sources of pollution are significant because they can be identified and controlled. For example, a factory that is releasing harmful chemicals into the air or water can be regulated or shut down. Non-point sources of pollution, such as runoff from agricultural fields, are much harder to control because they are spread out and not tied to a single identifiable source.

Physics

In Physics, point sources are used to model phenomena such as light and sound. For example, a point source of light can be used to model how light spreads out from a single point in all directions. This can be useful in understanding how light behaves and how it can be manipulated.

See Also

• Non-point source pollution
• Environmental Science
• Physics

References

Point source Resources
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