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 its
symbol.
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Answer:
standard units of measurement are forms of measurements accepted world wide.
explaination:
for example. if the length of a bridge is measured in foot,it may differ for person to person. becoz everyone have different sizes, but all are right in their own way. so how can we choose the right one? In order to erase this problem we introduced Standard unit system. which is same irrespective of who Measures it.
length - metre 'm'
time- second 's'
mass- 'kg'
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