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Femtometre

The femtometre (American spelling femtometer), symbol fm, (derived from the Danish and Norwegian word femten 'fifteen', Ancient Greek: ????????????, romanized: metron, 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 naturalized to American physicist Enrico Fermi, as it is a typical length-scale of nuclear physics. Definition and equivalents 1000000 zeptometres = 1 femtometre = 1 fermi = 0.000001 nanometre = 10???15 metres ...

e: 2000000000000058560

wikidata.org 0 views · 2024-12-26 21:56:58

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