File:OSHA radiation spectrum.jpg
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English: The electromagnetic spectrum, a chart of the different types of electromagnetic radiation ordered by increasing frequency. The frequency in hertz is given on the scale at bottom. The most familiar form of electromagnetic radiation is visible light (center), with infrared (IR) and ultraviolet (UV) light on either side. The higher frequencies of EM radiation (right) consisting of x-rays and gamma rays, are types of ionizing radiation. Lower frequency radiation (left), consisting of light, infrared (IR), microwave (MW), Radio Frequency (RF), and extremely low frequency (ELF) are types of non-ionizing radiation. |
| Date | |
| Source | United States Dept. of Labor - OSHA - Safety and Health Topics (Radiation) |
| Author | OSHA Safety and Health Topics |
| Permission (Reusing this file) |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:51, 20 September 2009 | | 617 × 233 (30 KB) | Ti-30X (talk | contribs) | {{Information |Description={{en|1=The most familiar form of electromagnetic (EM) radiation is sunshine, which provides light and heat. Sunshine consists primarily of radiation in infrared (IR), visible, and ultraviolet (UV) frequencies. Lasers also emit E |
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