Units, prefixes and standard form
Convert prefixes, squared and cubed units. Write numbers in standard form.
Pearson OCR AS/A level Physics A Student Book 1 answers
Choose a chapter or answer file. Check the ISBN against your book.
Student book: ISBN 9781447990826
Book details and answer coverage
- Publisher
- Pearson
- Exam board
- OCR A
- Books
- Student book: ISBN 9781447990826
- Coverage
- Student Book 1: AS and first year of A-level; Student Book + ActiveBook pack, June 2015
The publisher supplies one 53-page PDF, arranged by module and textbook section/page. Use the section and page number in your book to find the right answers. This ISBN identifies the Student Book + ActiveBook pack.
1 publisher-hosted answer files. Checked on 6 October 2026.
Whole book
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Answers open on the publisher’s website. PhysicsHelp is an independent site.
Practise a related skill
SUVAT practice
Choose equations and solve constant-acceleration problems with signs, braking and vertical motion.
Resistivity practical questions
Process wire measurements, find resistivity from a resistance–length graph and evaluate uncertainty.
Related practice uses original PhysicsHelp questions.