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6.3 Nuclear equations and decay

6.3 Nuclear equations and decay

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Question 8

The half-life of iodine-131 is 8.0 days.

A sample of iodine-131 prepared for thyroid radiotherapy has an initial activity of 3.20 MBq3.20\text{ MBq}3.20 MBq at 12:00 on 3rd November.

Estimate the activity of this sample at 12:00 on 27th November of the same year.

[3]
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. Each one has a worked solution and a mark scheme showing where the marks go.

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