Physics 7408/3BB June 2022

The AQA A-level Physics Paper 3B (June 2022), Option B (Medical Physics), explores imaging techniques, auditory response, and X-ray absorption. Key areas include corrective lens applications, X-ray energy absorption in bones, and equal loudness curves. The paper evaluates scanning methods (MRI, CT, and ultrasound) for diagnosing kidney stones, comparing image quality and safety considerations. Additional topics involve magnetic resonance imaging principles, including magnetic fields and radio frequency pulses. Keywords: AQA Physics, medical physics, X-ray absorption, equal loudness curve, MRI, CT scan, ultrasound, kidney stones.