Science B, Combined (9-1) - Twenty First Century Science Suite J260 9-1: P5: Radioactive materials Topical Past Paper Questions
OCR GCSE (9-1) Science B, Combined (9-1) - Twenty First Century Science Suite J260 (9-1) past-paper questions on P5: Radioactive materials, free. This topic is frequently examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Some students are learning about radioactivity and radioactive half-life. (a) What is the definition for the activity of a radioactive source? Tick (✓) one box. The current produced by the particles. The purpose the radioactive sample is used for. The number of decay events per s…
This table lists some data about an iodine radioactive isotope used to diagnose and treat cancer. (a) Complete the label, using data from the table. [2] (b) The iodine is used as a tracer to image cancer cells. Gamma rays are emitted when the iodine decays. Explain how the gamma…
Beth has a scan to investigate the blood supply to her heart. Before the scan a radioactive tracer is injected into her blood. The radioactive tracer is a gamma emitter with a half-life of 6 hours. (a) A method is shown for how a scan of Beth's heart is produced after the injecti…
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