SI UNIT OF LENGTH IS SYMBOLICALLY REPRESENTED AS WHAT
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1/(299 792 458) of a second. The 1889 definition of the meter was revised, on the basis of the artifact which is the international prototype of platinum-iridium.
This was updated to by the CGPM in 1960 adopting a new definition based upon a wavelength of krypton-86 radiation. This definition was adopted reducing the uncertainty.
This new definition arrived as:
The meter is the length of the path traveled by light in vacuum during a time interval of 1/299 792 458.
This was updated to by the CGPM in 1960 adopting a new definition based upon a wavelength of krypton-86 radiation. This definition was adopted reducing the uncertainty.
This new definition arrived as:
The meter is the length of the path traveled by light in vacuum during a time interval of 1/299 792 458.
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