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The original definition of 1 metre was 1/10 000 of the distance between the Equator and the Pole.

This was an attempt to base the unit of length on a natural physical data.

[Currently, there are proposals to re-define the kilogramin terms of a perfect sphere of pure silicon using Avogadro's Number for the number of atoms.] Again a 'natural' relationship.

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Why scientists keep revising the definition of the meter?

Revisions in the definition of the meter are intended to achieve greater precision.


Meter is a derived unit or not?

In the SI measurement system, a meter is a "base unit". However, the definition relies on the prior definition of the second.


Why do scientists keep revising the definition of the meter?

As scientists study new areas the meter is involved in these new areas and new definitions in terms of the new areas are defined. The original meter was defined in terms of the earth studies, as electricity was studied, the speed of light became important and the meter was defined in terms of the speed of light. As science expands the definitions of the meter will expand.


What country held the original meter stick in a vault?

The original meter stick was held in a vault in France.


What is 1 meter equal to?

1 meter could be equal to 100cm (centimetres) and 1000mm (milimetres) dont know about inches though, sorry. xx Original definition: A ten millionth of the distance from the north pole to the equator, passing through france.


What is th definition of meter?

A 100 centimeters.


Where is the original meter now?

metre


What is the modern definition of meter?

One meter is the distance that light travels in a vacuum in 1⁄299,792,458 of a second.


Definition of square meter?

1 Square Meter is the area enclosed by a length of 1 meter and a width of 1 meter. It is equal to 11.111... square feet.


What is the definition for decimeter?

A decimeter is one tenth of a meter.


How did the french come up with the meter?

First of all, the word is METRE. a meter is something you measure with, not a unit of measurement. The original definition of a metre, officially adopted by the first republic in France, was 'one ten-millionth of the distance between the North pole and the Equator along the meridian of Paris'.


The meter is defined as the distance traveled by light in 299792458th of a second.Why did not people choose some easier number such as 130000000th of a second.Why not 1 second?

The meter existed before we knew the speed of light exactly, and had a different definition. The original definition was that a meter was one ten-millionth of the distance between the North Pole and equator, travelling via Paris. A prototype bar was made to represent this distance, and became the official meter. (At the same time a one kilogram bar was created, which is still the official definition of the kilogram, but I digress). A bar is not possible to measure to 100% accuracy. Furthermore, the standard units should, in principle, be measurable by anybody, anywhere. (Energy is related to water, time to caesium, amps to electrons, etc... the kilo is the odd one out!) This isn't possible with a meter rule kept somewhere in Paris. In any case, the decision was made in 1983 to fix the meter to the speed of light. One 299792458th was the closest to the original meter bar, so that was the number chosen.