Percentage uncertainty questions
Work with absolute and percentage uncertainty, repeated readings and timing.
Choose a chapter or answer file. Check the ISBN against your book.
Year 1 and AS: ISBN 9780198351863
Year 2: ISBN 9780198357728
Combined A-level Student Book: ISBN 9780198351870
The publisher lists separate chapter files for Chapters 1–13 and 17–27, plus section and further-question answers. It does not list separate files for the skills chapters or option summaries. These are end-of-chapter practice answers; they do not promise answers to every question printed in the books.
33 publisher-hosted answer files. Checked on 6 October 2026.
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Answers open on the publisher’s website. PhysicsHelp is an independent site.
Work with absolute and percentage uncertainty, repeated readings and timing.
Choose an equation, rearrange it and convert the units before calculating.
Calculate capacitor discharge, interpret log-linear graphs and find capacitance and time constants.
Related practice uses original PhysicsHelp questions.