Step 4 of 4 · topic
Measurements and uncertainties
Eduqas A420QS — matched to your course.
Random/systematic error, uncertainty propagation, graphs and significant figures.
Topic pack · Free notes + Premium practice
Measurements and uncertainties
Revision notes are free. Premium unlocks the full question and retrieval-card bank.
Subtopics and study areas
- Distinguish random uncertainty from systematic error.
- Calculate absolute and percentage uncertainties.
- Propagate uncertainties appropriately for sums, products and powers.
Practical summary · Free notes + Premium practice
Measuring the density of solids
Revision notes are free. Premium unlocks the full question and retrieval-card bank.
Subtopics and study areas
- Determine density from mass and carefully measured dimensions, displaced volume or a measured liquid volume.
