E) Short answer questions
1) What do you understand by the term 'measurement?
2) What is the need of measurement?
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1)Measurement is the assignment of a number to a characteristic of an object or event, which can be compared with other objects or events. ... This system reduces all physical measurements to a mathematical combination of seven base units. The science of measurement is pursued in the field of metrology.
2)Measurements require tools and provide scientists with a quantity. A quantity describes how much of something there is or how many there are. A good example of measurement is using a ruler to find the length of an object. ... In the SI system, each unit of measure has a base unit.
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