Physics A-Level
Error bar
What Error bar means in Physics A-Level, as defined for AQA.
Definition of Error bar
Check what you remember
Read the wording for your board, then hide it and explain Error bar in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Drawn through a point to show the absolute uncertainty associated with a plotted measurement.
Topics that use Error bar
- 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 Error bar 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.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge