Physics A-Level
Precision
What Precision means in Physics A-Level, as defined for AQA, OCR.
Definitions of Precision
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Reference: OCR
Describes how close repeated measurements are to each other, often indicated by the spread or uncertainty.
How closely repeated readings agree with each other, so a precise set is tightly clustered.
Describes how closely repeated measurements agree with each other.
Topics that use Precision
- Limitation of physical measurements (AQA A-Level)
- Evaluation (OCR A-Level)
- Measurements and uncertainties (OCR A-Level)
Related terms
- Averaging
- Random errors
- Systematic errors
- Accuracy
- Absolute and percentage uncertainties
- Absolute uncertainty
- Combination of absolute and percentage uncertainties
- Gradient and intercept
Using Precision in the exam
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