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CT scanner basics

CT scanner basics

Labelled CT scanner setup with a patient on a table, a rotating X-ray tube, a narrow monochromatic beam, and an array of detectors around the gantry

A CT scanner builds cross-sectional images of the body rather than one flat 2D picture. An X-ray tube rotates around the patient while detectors on the opposite side measure how much of the beam gets through.

CT scanner (A-level only) Lesson

  1. A Level
  2. /Physics
  3. /CT scanner (A-level only)

Step-by-step lessons on AQA A Level Physics CT scanner (A-level only). Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

Lessons