what is meant by a standard unit of measurement ?why is it necessary to have standard unit of measurement? name the SI unit of length. write its symbol

what is meant by a standard unit of measurement ?why is it necessary t

1.	what is meant by a standard unit of measurement ?why is it necessary to have standard unit of measurement? name the SI unit of length. write its symbol
Answer» 1)A UNIT of measurement is a definite magnitude of a QUANTITY, defined and adopted by convention or by law, that is used as a standard for measurement of the same KIND of quantity. Any other quantity of that kind can be expressed as a multiple of the unit of measurement. For example, a length is a physical quantity 2)A standard unit of measurementprovides a reference point by which objects of weight, length, or capacity can be described. Althoughmeasurement is an important part of everyday life, kids don't automatically understand that there are many different ways to measure things 3)The SI BASE units and their physical quantities are the metre for measurement of length, the kilogramfor mass, the second for time, the ampere for electric current, the kelvin for temperature, the candela for luminous intensity, and the mole for amount of substance. it is your answer I hope so it may be help you

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what is meant by a standard unit of measurement ?why is it necessary to have standard unit of measurement? name the SI unit of length. write its symbol

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