AQA A Level Physics Paper 3 Medical Physics 7408/3bb 2025 Qp

Get the official AQA A-Level Physics Paper 3 Section B Medical Physics question paper from the June 2025 series (7408/3BB) — the exact option-specific booklet sat on the morning of 17 June 2025 by candidates who chose Medical Physics as their Paper 3 optional topic. This free downloadable PDF contains every Medical Physics question contributing to the 35 Section B marks, in the original AQA layout candidates faced in the real exam — perfect for timed, exam-condition mocks targeted purely at the option content.

Section B Medical Physics covers the full optional specification: physics of the eye (image formation, lens defects, spectacle correction, sensitivity, and acuity), physics of the ear (transmission of sound, the threshold of hearing, intensity and the dB scale, frequency response), biological measurement (action potentials, ECG, and electrode use), non-ionising imaging (ultrasound A-scan and B-scan, fibre optics and endoscopy, MR scanner), X-ray imaging (production, attenuation mechanisms, image enhancement, CAT scanners), and radionuclide imaging and therapy (gamma camera, PET, technetium-99m, radiation dose). Pair it with the matching Section A practical-skills paper and the official 7408/3BB mark scheme on markscheme.net to lock in the exam technique that secures top grades in the 2026 series.

This question paper is built for AQA A-Level Physics (7408) students who chose Medical Physics as their Paper 3 Section B option and want authentic, exam-condition practice on the Medical Physics topic only — without the practical-skills section diluting their option-specific revision time. It is especially valuable for aspiring medics, dentists, biomedical-engineering candidates, and physics applicants whose personal statements lean on Medical Physics; it is equally useful for Year 13 students entering the final stretch of revision, Year 12 students working ahead, retake candidates aiming for an A or A*, and home-schooled learners.

Physics teachers, private tutors, and Medical Physics-option leads can use this official AQA option booklet to set timed Medical Physics-only mocks (around 50 minutes for 35 marks), run topic walkthroughs on imaging modalities, ECG analysis, and radiation dose calculations, benchmark progress against the most recent series, and identify weaknesses in lens optics, dB-scale calculations, or attenuation-coefficient problems. Parents supporting revision at home can print this paper, time their child to the official limit, and combine it with the markscheme.net mark scheme for examiner-aligned feedback.