Milimetro
Definizioa
1983tik aurrera, metroaren definizioa honakoa da: "argiak hutsean bidaiatzen duen distantziaren luzera segundu baten 1/299.792.458ean."[1] Milimetro bat, beraz, metro baten 1/1000 izanda, argiak segundu baten 1/299.792.458.000ean bidaiatzen duen distantziaren da.
Erreferentziak
- 17th General Conference on Weights and Measures (1983), Resolution 1.. International Bureau of Weights and Measures.
Kanpo estekak
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