Length

Femtometre

The femtometre (American spelling femtometer) symbol fm derived from the Danish and Norwegian word femten 'fifteen', Ancient Greek: ????????????, romanized: metr??n, lit.???'unit of measurement') is a unit of length in the International System of Units (SI) equal to 10???15 metres, which means a quadrillionth of one metre. This distance is sometimes called a fermi and was so named in honour of Italian-American physicist Enrico Fermi, as it is a typical length-scale of nuclear physics.

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wikidata.org 0 views · 2024-12-26 21:56:58
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    The femtometre (American spelling femtometer) symbol fm derived from the Danish and Norwegian word femten 'fifteen', Ancient Greek: ????????????, romanized: metr??n, lit.???'unit of measurement') is a unit of length in the International System of Units (SI) equal to 10???15 metres, which means a quadrillionth of one metre. This distance is sometimes called a fermi and was so named in honour of Italian-American physicist Enrico Fermi, as it is a typical length-scale of nuclear physics.

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