Physical quantities: OCR A‑Level Physics A questions
Every OCR A-Level Physics A exam question on 2.1.1 Physical quantities, 2016–2025, with its mark scheme and examiner’s report.
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Calculations
All 3 questions on Physical quantities, as a list
- June 2025, Paper 2, Q2 (1 mark): What is a reasonable estimate for the diameter of an atom? 10–15 m A 10–12 m B 10–10 m C 10–7 m D Your answer [1]
- June 2018, AS Paper 1, Q2 (1 mark): Which definition is correct and uses only quantities rather than units? A Acceleration is the change in velocity per second. B Resistance is potential differenc
- June 2017, AS Paper 1, Q19 (1 mark): What is a reasonable estimate for the momentum of a car travelling at 10 m s–1? 102 kg m s–1 A 104 kg m s–1 B 106 kg m s–1 C 108 kg m s–1 D Your answer [1]
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![June 2025 Paper 2, question 2: What is a reasonable estimate for the diameter of an atom? 10–15 m A 10–12 m B 10–10 m C 10–7 m D Your answer [1]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/h55602-jun25-02-qp.webp?v=3)

![June 2017 AS Paper 1, question 19: What is a reasonable estimate for the momentum of a car travelling at 10 m s–1? 102 kg m s–1 A 104 kg m s–1 B 106 kg m s–1 C 108 kg m s–1 D Your answer [1]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/h15601-jun17-19-qp.webp?v=3)