5 Questions
What are the seven defining constants on which the SI rests?
The cesium hyperfine splitting frequency
When was the International Treaty of the Meter signed?
May 20, 1875
How many base units make up the International System of Units (SI)?
7 base units
What does NIST provide values and a searchable bibliography for?
Fundamental physical constants
Which international bodies were established by the Meter Convention?
CGPM - General Conference on Weights and Measures; CIPM - International Committee for Weights and Measures; and BIPM - The International Bureau of Weights and Measures.
Test your knowledge of the SI units and fundamental physical constants with this quiz. Explore the definitions of seven defining constants and their significance in the International System of Units (SI).
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