Radioactive tracers are used to monitor the flow of blood through a patient's heart.
A radioactive isotope is injected into the patient's bloodstream.
As the blood circulates, doctors use a specialized camera outside the body to detect the radiation emitted by the tracer.
Which type of radiation is able to pass through the patient's body tissues to reach the camera?
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.