What is a decimeter?
Decimeter is a length measurement based on a metric measurement scale and equals one tenth of a meter. The exact length of the meter has changed over time and was initially based on the distance between the Earth's equator and the North Pole. Since the 1960s, however, the meter length has been based on light, with initial measurements using a wavelength of a particular element and newer measurements based on light speed. Therefore, the decimeter may vary depending on the standard used, but remains the same in relation to other measurements in the metric system. Other measurement systems, such as the American standard of legs and inches, do not always disintegrate using a system of tens or hundreds. For example, the thumb is one twelfth track and other measurements are based on half -inch, quarter -inch and another half of the distance. Metric measurements have been developed to create a standard that could be easily divided and multiplied by the basic approach, using the prefix as "Dec-" and "Centi-" to indicate one tenth andone hundredth.
Initial measurements used to create a length of one meter on which the decimeter is based, was based on a distance from the Earth equator to the North Pole. The team of scientists was accused of determining this distance for use in determining the length of one meter in the 90s of the 20th century. Once they had this measurement, the total length was used to determine the meter length as one ten million of this distance. However, the shape of the Earth is not a perfect geometric shape, so this distance did not calculate perfectly and the real perimeter of the Earth is than 40 million meters (more than 131 million feet).
From these initial measurements, the meter length and related measurements, such as the decimeter, were revised several times. The first main change came in 1960, when the meter length was defined on the basis of the wavelength of light from the crypton-86 atom-86. Due to certain variables that may cause incomplete PHowever, the measurement of wavelengths of light, however, changed in 1983 again to determine the length of the meter and the decimeter based on the speed of light. The official length of the meter since 1983 is the distance that light travels in 1/299 792,458 seconds in a vacuum; The decimeter is then one tenth of this length.