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Cambridge AS & A Level Physics

24Medical physics

Medical physics in Cambridge AS & A Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic67 practice questions3 lessons

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Lessons

  • Ultrasound: production, reflection and attenuation

    50 min

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  • X-rays: production, imaging, attenuation and CT scanning

    50 min

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  • Positron emission tomography (PET)

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Medical physics: sample question

1 mark

What is the approximate energy of each gamma photon produced when a positron and an electron annihilate at rest?

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