AQA•A-Level•Physics
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Measurements and Their Errors
SI units, uncertainty, errors and estimation
Practice 19 subtopics in Measurements and Their Errors. All questions match the AQA A-Level specification.
About Measurements and Their Errors
Measurements and Their Errors is a key topic in the AQA A-Level Physicsspecification. This topic covers si units, uncertainty, errors and estimation.
Master all 19 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (19)
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Practice any subtopic from Measurements and Their Errors
SI base units: kg, m, s, A, K, molSI derived units and their base unit equivalentsSI prefixes: pico to teraConverting between unitsChecking homogeneity of equationsRandom errors and systematic errorsPrecision, accuracy and resolutionRepeatability and reproducibilityUncertainty in measurementsAbsolute uncertainty and percentage uncertaintyCombining uncertainties: addition and subtractionCombining uncertainties: multiplication and divisionCombining uncertainties: powers and rootsError bars on graphsDetermining uncertainty from graphsMaximum and minimum gradient methodsOrders of magnitudeEstimating physical quantitiesFermi estimation problems
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Start with SI base units: kg, m, s, A, K, mol