what is meant by a'standard unit of measurement' ? why is it necessary to have standard units of measurement? name the SI unit of length. write it's symbol.
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Standard unit of measurement provides a reference point by which objects of weight, length or capacity can be described. Standard units are the units used all over the world for measuring a particular quantity. The need of a standard unit arises when we deal with people when from other places.
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please don't a question try yourself
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