plumiUse of high-energy X-rays: AQA A‑Level Physics questions
AQA A-Level Physics past-paper questions on 3.10.6.4 Use of high-energy X-rays, 2008–2025, with mark schemes and examiner’s reports where available.
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Q03.1
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All 3 questions on Use of high-energy X-rays, as a list
- November 2020, Paper 3 Medical physics, Q03.1 (4 marks): Deduce whether photons of energy 100 keV or 500 keV are better for treating a brain tumour at a depth of 11 cm. [4 marks]
- November 2020, Paper 3 Medical physics, Q03.3 (2 marks): State and explain one other method used to limit exposure of healthy cells during X-ray radiotherapy. [2 marks] Method Explanation
- June 2018, Paper 3 Medical physics, Q05.1 (3 marks): High-energy X-rays are used in the treatment of a cancer tumour inside a patient’s body. The patient is given a series of scans before the treatment is started.
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