Physics A-Level
Absolute and percentage uncertainties
What Absolute and percentage uncertainties means in Physics A-Level, as defined for OCR.
Definition of Absolute and percentage uncertainties
Check what you remember
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Reference: OCR
Absolute uncertainty carries the same unit as the quantity, while percentage uncertainty is the absolute uncertainty divided by the measured value, multiplied by 100.
Topics that use Absolute and percentage uncertainties
- Measurements and uncertainties (OCR A-Level)
Related terms
- Averaging
- Graphical representation of uncertainty
- Line of best fit and worst line
- Precision
- Random errors
- Systematic errors
- Zero errors
- Accuracy
Using Absolute and percentage uncertainties in the exam
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