Physics A-Level
Combination of absolute and percentage uncertainties
What Combination of absolute and percentage uncertainties means in Physics A-Level, as defined for AQA.
Definition of Combination of absolute and percentage uncertainties
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Reference: AQA
When a quantity is calculated from several measurements, their uncertainties must be combined using the rule that matches the arithmetic.
Topics that use Combination of absolute and percentage uncertainties
- Limitation of physical measurements (AQA A-Level)
Related terms
- Absolute uncertainty
- Averaging
- Gradient and intercept
- Line of best fit
- Multiplication and division rule
- Percentage form
- Precision
- Random errors
Using Combination of absolute and percentage uncertainties in the exam
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