10 Questions
What is the primary reason for the establishment of an ideal standard?
To make a compromise between accessibility and invariability
What is the name of the system of units established by an international committee in 1960?
System International (SI)
What is the term used to describe the process of determining a number and a unit for a base quantity?
Quantification
How many base units are there in the System International (SI)?
Seven
What is the main advantage of the System International (SI)?
It is simple and convenient for arithmetic operations
What is the purpose of the Appendix 1 in the context of the System International (SI)?
To provide the standard definitions of the base units
What is the physical quantity that is related to the number of particles in a substance?
Amount of a substance
What is the characteristic of an ideal standard that is often conflicting with its invariability?
Accessibility
Why is the System International (SI) widely used by the scientific community?
It is convenient for arithmetic operations
What are the three kinds of units that make up the System International (SI)?
Base units, supplementary units, and derived units
Learn about the fundamental principles of measurement, including the choice of a standard and its establishment. Discover the characteristics of an ideal standard and how it is used to determine the measure of a quantity.
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