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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?
Wiki User
∙ 13y ago
Dimension change due to temperature fluctuation (expansion and contraction) would be one.
Wiki User
∙ 13y ago
Maintaining a metal bar as a length standard is challenging due to its susceptibility to wear, corrosion, and thermal expansion, leading to measurement inaccuracies. Moreover, transportation and handling of a physical bar pose risks of damage or deformation, affecting its precision. The reliance on a single physical object also lacks the versatility and reproducibility offered by defining the standard through a universally reproducible physical constant.
Anonymous
There is no accuracy in your measurements
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Dimension change due to temperature fluctuation (expansion and contraction) would be one.
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