Physics A-Level
Dimensional consistency and unit conversion
What Dimensional consistency and unit conversion means in Physics A-Level, as defined for AQA.
Definition of Dimensional consistency and unit conversion
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Reference: AQA
Keeping units consistent by converting every quantity to SI base units, such as centimetres to metres or grams to kilograms, before substituting into the calculation.
Topics that use Dimensional consistency and unit conversion
- Estimation of physical quantities (AQA A-Level)
Related terms
- Communication of assumptions and uncertainty
- estimation
- Order of magnitude
- Order-of-magnitude reasoning
- Standard form
- Use of familiar physical benchmarks
Using Dimensional consistency and unit conversion in the exam
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