A radioactive source has a half-life of 8 minutes. Its activity at the start is 1200 Bq.
Calculate the activity after 24 minutes.
[2 marks]Keep the marks you know.
This is our AQA Combined Science Trilogy (8464) course. It teaches the content Edexcel 1SC0 shares with it; our questions follow AQA's layout.
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6 papers · 360 marks. Each paper tests its own topics. Topic 1, the key concepts, can come up on both papers in a science. Questions here are original practice, not past papers.