Step 4 of 4 · topic
Measurements and uncertainties
OCR H557 — matched to your course.
Random/systematic error, uncertainty propagation, graphs and significant figures.
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Measurements and uncertainties
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Subtopics and study areas
- Distinguish random uncertainty from systematic error.
- Calculate absolute and percentage uncertainties.
- Propagate uncertainties appropriately for sums, products and powers.
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Planning and carrying out an independent investigation
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Subtopics and study areas
- Turn a research question into a safe, quantitative investigation with justified variables, analysis and evaluation.
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Research skills for practical physics
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Subtopics and study areas
- Research a physics question using reliable sources, cite evidence correctly and connect the research to a practical investigation.