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angstrom
 Symbol: Å Category: Length SI Equivalent: 1×10-10 m Dimension: L Notes Unit of wavelength employed in atomic and molecular physics. Named after the Swedish scientist A.J. Ångström (1814-1874), it is based on the wavelength of the emission spectra's red line of an atom of cadmium. The agreed numerical value is equal to l=6438.4696 Å in dry air which contains at maximum a volume fraction of carbon dioxide of 30x10-6, and measured under standard atmospheric pressure and at 10°C.
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1 Å =
 Length Symbol Unit Name 6.68458×10-22 AU, UA astronomical unit 10×107 am attometer 1×10-8 cm centimeter 3.28084×10-10 ft foot 1×10-12 hm hectometer 3.93701×10-9 in inch 1×10-13 km kilometer 1.05702×10-26 ly light-year 1×10-10 m meter 3.93701×10-3 µin microinch 1×10-4 µm micron 3.93701×10-6 mil, thou mil (thou) 6.21373×10-14 mi (stat.) mile (statute, land) 10×10-8 mm millimeter 0.1 nm nanometer 5.39957×10-14 mi (int. naut.) nautical mile (international) 3.24078×10-27 pc parsec 100 pm picometer 1.09361×10-10 yd yard
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