The metre is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second.
For more information: [ Ссылка ]
Produced in association with the Open University.
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The metre is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second.
For more information: [ Ссылка ]
Produced in association with the Open University.