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| physical object > natural object > particle > boson > carrier boson > photon > ultraviolet > soft ultraviolet | 
| soft ultraviolet comparison table | ||
| Subject | is a kind of | has definition | 
|---|---|---|
| ultraviolet | photon | Electromagnetic radiation "beyond the violet" with wavelengths in the approximate range 100-4000 Å. | 
| soft ultraviolet | ultraviolet | 
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