Physics A-Level
Defining equation
What Defining equation means in Physics A-Level, as defined for AQA.
Definition of Defining equation
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Reference: AQA
The equation for a quantity that is taken and has base units substituted for each symbol.
Topics that use Defining equation
- Use of SI units and their prefixes (AQA A-Level)
Related terms
- Base units
- Dimensional analysis
- S.I. base quantities
- SI prefixes
- Standard form
- Unit conversion
- Coherent SI units in calculation
- Derived unit
Using Defining equation in the exam
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