Differentiate between:
b. Ancient way of measurement and present system of measurement.
nd derived units
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Explanation:
ancient: foot span and hand span
present: measuring tape, scale etc
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ANS.
▪︎Ancient way of measurement
☆Length. If there were any measurement that has proven to be the most useful to humanity, it would be length.
•Weight. Weight isn't quite as simple to measure as length is.
•Volume.
•Time.
•Sundial.
•Water Clock.
•Hourglass.
•Minutes and seconds in the 14th – 16th century.
▪︎Present system of measurement
☆Systems of measurement have historically been important, regulated and defined for the purposes of science and commerce. Systems of measurement in use include the International System of Units (SI), the modern form of the metric system, the British imperial system, and the United States customary system.
▪︎Derived units
☆Units of measurements which are a combination of one or more base units are known as the derived units. Two of the most commonly used derived units in chemistry are volume and density. Volume is a measure of the space occupied by an object. The SI unit for volume is defined by the base unit of length, the meter.
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