Define standard metre in terms of wavelength of light
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standard metre in terms of wavelength of light...
The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in 1299 792 458 second. The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole – as a result the Earth's circumference is approximately 40,000 km today.
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The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in 1299 792 458 second. The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole – as a result the Earth's circumference is approximately 40,000 km today.
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standard metre in terms of wavelength of light
The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in 1299 792 458 second.
The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole – as a result the Earth's circumference is approximately 40,000 km today.
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