Physics A-Level
Percentage uncertainty
What Percentage uncertainty means in Physics A-Level, as defined for AQA.
Definition of Percentage uncertainty
Check what you remember
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Reference: AQA
Equals the fractional uncertainty multiplied by 100, giving about 0.119% in this example.
Topics that use Percentage uncertainty
- Limitation of physical measurements (AQA A-Level)
Related terms
- Absolute uncertainty
- Averaging
- Combination of absolute and percentage uncertainties
- Gradient and intercept
- Line of best fit
- Multiplication and division rule
- Percentage form
- Precision
Using Percentage uncertainty in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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