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Nanometer is a distance of one billionth of a meter, which is an extremely small distance.
'''Nanometer''' is a distance of one billionth of a meter, which is an extremely small distance.
The nanometer, or nm, is a common unit used to describe wavelengths of light or other electromagnetic radiation such as UV. For example, green light has wavelengths of about 500-550 nm, while violet light has wavelengths of about 400-450 nm.
The nanometer, or nm, is a common unit used to describe wavelengths of light or other electromagnetic radiation such as UV. For example, green light has wavelengths of about 500-550 nm, while violet light has wavelengths of about 400-450 nm.
[[Category:Unit of measurement]]