Skip to content

Course home

Sign up

6.3 Nuclear equations and decay

EasyMediumHard
12345678910111213141516171819202122
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, 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.

Question bank