et

a0

1 symbol

Terminological databases

Metroloogia terminibaas

ID 572526 Last modified 06.09.2026
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Domain metrologyunits of measurement
  • pikkuse ühiku nimetus atomaarses ühikute süsteemis
  • name of the unit of atomic units system for length
Bohri raadius
Usage examples
  • Bohri raadius on füüsikaline konstant, mis võrdub kõige tõenäolisema kaugusega tuuma ja elektroni vahel vesinikuaatomi madalaima energiaga olekus ja mille väärtus on a0 = 0,529 177 208 59 (36)·10-10 m. Aatomifüüsika kasutab seda pikkusühikuna, mida sageli nimetatakse atomaarseks pikkusühikuks.
a0 symbol
Usage examples
  • a0 = 0,529 177 208 59 (36)·10-10 m.
Bohr radius
Usage examples
  • The Bohr radius is a physical constant that equals the most likely distance between the nucleus and the electron in a hydrogen atom in its lowest energy state, having value a0 = 0,529 177 208 59 (36)·10-10 m. Atomic physics uses it as a basic unit of length, often called the atomic unit of length.
a0 symbol
Usage examples
  • a0 = 0,529 177 208 59 (36)·10-10 m.

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