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How was the length of the standard meter redifined in 1983?
standard was changed to be associated with the constant speed of light
Standard length of a meter in 1983?
100cm
How was the length of a standard meter redefined in the year 1983?
It was redefined as 3 feet...
How was the length of a meter redefined in the year 1993?
It was not. The current definition was established in 1983.
What problems are there in maintaining and using a metal bar as the primary length standard as was done before the meter redefined in 1983?
Dimension change due to temperature fluctuation (expansion and contraction) would be one.
What is the largest metric unit of length?
The meter, which is defined, as of 1983, as the length of the path traveled by light in a vacuum in an interval of 1/299792458 seconds. This is a Systeme Internationale standard measurement.
What terms was standard meters defined in on 1983?
Originally, a metre was defined as 1/10,000,000th of the distance from the Earth's equator to the North pole. Since 1983 it has been defined as:the length of the path travelled by light in a vacuum during a time interval of 1/299,792,458th of a second.
What problems are there in maintaining and using a metal bar as the primary length standard as was done before the meter was redefined in 1983?
Dimension change due to temperature fluctuation (expansion and contraction) would be one.
How can you tell what a millimeter is?
If you get hold of a ruler, it will have a millimeter scale on it so that you can measure a millimeter. A millimeter is a thousandth of a meter. A meter is a standard unit of length defined as the length as equal to the distance travelled by light in vacuum during a time interval of 1/299,792,458 of a second after the meeting of the seventeenth CGPM (General Conference on Weights and Measures) in October 1983.
How was the lenght of a standard meter redefined in the year 1983?
they put thangs tew gether nd they brainstormed alot.
How was the length of a meter created?
The meter was defined by the French Academy of Sciences as the length between two marks on a platinum-iridium bar, which was designed to represent one ten-millionth of the distance from the Equator to the North Pole through Paris.In 1983, the meter was redefined as the distance traveled by light in free space in 1⁄299,792,458 of a second.
Where is the standard of measurement kept?
There are several standards of measurement: weight, length, time to name a few. The standard for weight is the kilogram. The standard was made in London and has been stored in Paris since 1889. See this NPR article for a recent update (8/20/2009): http://www.npr.org/templates/story/story.php?storyId=112003322 The standard for length is the meter, or metre. Until 1983, this standard was a platinum-iridium bar that rested next to the kilogram standard at the French Academy of Sciences. In 1983, the metre was redefined as the distance travelled by light in free space in 1⁄299,792,458 of a second. http://en.wikipedia.org/wiki/Meter The standard for time is the second. "Currently, the international unit of time, the second, is defined in terms of radiation emitted by caesium atoms." http://en.wikipedia.org/wiki/Time Most standards are abstracts, with qualities or characteristics not affixed to a particular object or instance, such as a number. These standards have no place to be kept, except in the imagination of those who conceive of them.
