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Northern IrelandScience (Single Award)Quick questions
Unit 3: Physics
Quick questions on Atomic and nuclear physics - CCEA GCSE Single Award Science
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Which type of radiation is a helium nucleus? [1 mark]
What is q2?Show answer
A source has a half-life of 2 hours and starts at 800 Bq. What is its activity after 4 hours? [2 marks]
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