Radioactive tracers can be used to monitor how well a patient's lungs are working.
A radioactive gas is breathed in by the patient. The isotope emits radiation.
As the gas circulates through the lungs, this radiation is detected outside the chest by a scanner.
What type of radiation is able to pass through the body tissue to reach the scanner?
alpha
beta minus
beta plus
gamma
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.