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6.5 Uses and dangers of radioactivity
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Matching radiation to the job

Matching radiation to the job

Alpha is a helium nucleus, 24He^{4}_{2}\text{He}24​He, and is the most strongly ionising but least penetrating radiation. It travels only a few centimetres through air and is stopped by paper or the outer layer of skin.

6.5 Uses and dangers of radioactivity Lesson

  1. GCSE
  2. /Physics
  3. /6.5 Uses and dangers of radioactivity

Step-by-step lessons on Edexcel GCSE Physics 6.5 Uses and dangers of radioactivity. Each one builds up to exam-style questions. Master the required practical work and core equations early, since both papers can draw on content and maths skills from across the whole specification.

Lessons