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PET scanning: CAIE A‑Level Physics questions

Every CAIE A-Level Physics exam question on 24.3 PET scanning, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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266 questions

  1. Q11(a)(i)

    Specimen · Paper 4

    2 marks24.3 PET scanning
    The whole paper ↗
    Specimen Paper 4, question 11(a)(i): State what is meant by a tracer. [2]

  2. Q11(a)(ii)

    Specimen · Paper 4

    1 mark24.3 PET scanning
    The whole paper ↗
    Specimen Paper 4, question 11(a)(ii): State the name of the particles that are emitted from the body and detected by the detectors during PET scanning. [1]

  3. Q11(b)

    Specimen · Paper 4

    3 marks24.3 PET scanning
    The whole paper ↗
    Specimen Paper 4, question 11(b): Explain how the particles in (a)(ii) are created from positrons. [3]

  4. Q11(c)

    Specimen · Paper 4

    2 marks24.3 PET scanning
    The whole paper ↗
    Specimen Paper 4, question 11(c): Positrons can be artificially created by a process in the laboratory that is the reverse of the process in (b). This process creates both a positron and an elec
All 4 questions on PET scanning, as a list
  1. Specimen, Paper 4, Q11(a)(i) (2 marks): State what is meant by a tracer. [2]
  2. Specimen, Paper 4, Q11(a)(ii) (1 mark): State the name of the particles that are emitted from the body and detected by the detectors during PET scanning. [1]
  3. Specimen, Paper 4, Q11(b) (3 marks): Explain how the particles in (a)(ii) are created from positrons. [3]
  4. Specimen, Paper 4, Q11(c) (2 marks): Positrons can be artificially created by a process in the laboratory that is the reverse of the process in (b). This process creates both a positron and an elec

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