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6.3 Nuclear equations and decay

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Question 62

Carbon-11 is a positron-emitting radioactive isotope used as a tracer in PET scans to monitor brain activity. It has a half-life of 20 minutes.

Explain why Carbon-11 must be produced in a cyclotron located very close to, or inside, the hospital where the scan is performed.

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Markscheme

6.3 Nuclear equations and decay Questions

  1. GCSE
  2. /Physics
  3. /6.3 Nuclear equations and decay

90 exam-style questions on Edexcel GCSE Physics 6.3 Nuclear equations and decay, covering 6.3.1 Beta-minus and beta-plus decay, 6.3.2 Effects of decay on the nucleus, and 6.3.3 Balancing nuclear equations. Each one has a worked solution and a mark scheme showing where the marks go.

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