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Questions and Answers
Which of the following is a base unit of measurement in the SI system?
What is a unit multiple?
What is a derived unit?
What does a coherent derived unit involve?
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What are unit prefixes?
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Study Notes
SI System Units
- Base units of measurement in the SI system are the fundamental units used to express physical quantities, and they are defined based on the laws of physics.
Unit Multiples and Submultiples
- A unit multiple is a unit that is a power of 10 times larger than the base unit, used to express larger quantities.
- Unit prefixes are used to denote multiples and submultiples of a unit, such as kilo- for 10^3 and milli- for 10^-3.
Derived Units
- A derived unit is a unit that is derived from the base units through multiplication, division, or other mathematical operations.
- A coherent derived unit is a derived unit that can be expressed as a product of powers of the base units, without any numerical factor other than 1.
Unit Prefixes
- Unit prefixes are used to denote multiples and submultiples of a unit, such as kilo- for 10^3 and milli- for 10^-3, and they are used to simplify the notation and expression of physical quantities.
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Description
Test your knowledge of fundamental units of measurement with this quiz on SI base units. Explore the definitions and relationships between the meter, kilogram, second, ampere, kelvin, and other key base quantities.
