An environmental scientist plans to track the migration of silt along a river estuary over a 3-week study period using a radioactive tracer.
State why a radioisotope with a half-life of 10 minutes is not suitable for this investigation.
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.