AQA GCSE Physics · 8463
Specification 4.1.2.1 · Paper 1
- Revise: Required Practical: Investigating Thermal Insulation
The closeness of a measurement to the true value.
Loading…
Loading…
Loading…
GCSE Physics · key term
Closeness of a measured value to the true or accepted value.
Used by AQA and OCR
Specification 4.1.2.1 · Paper 1
The closeness of a measurement to the true value.
Paper 1, Paper 2
How close a measured result is to the true or accepted value.
Revise: Apparatus Selection, Accuracy and Risk AssessmentAccuracy can be reduced by problems such as an incorrect zero, poor calibration, parallax when reading a scale, or using a technique that does not measure the intended quantity properly.
Do not use “accurate” and “precise” as synonyms. Accuracy concerns closeness to the true or accepted value; precision concerns how closely repeated results agree.
Do not use “accurate” when you mean that repeated readings are close together. Close repeated readings show precision; accuracy concerns closeness to the true or accepted value.
For every suggested improvement, explain which problem it addresses and how it improves accuracy, precision, repeatability or reproducibility.
Create a free account to read GCSE Physics revision notes for your exam board and track your progress.