please give me information about metres is physical quantity at 6 lines
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The metre or meter is the base unit of length in some metric systems, including the International System of Units. The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in 1/299792458 second.
The metre or meter is the base unit of length in some metric systems, including the International System of Units. The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in 1/299792458 second.
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