Skip to content

Course home

x
Sign up
x

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, covering 6.5.1 Uses of radioactivity, 6.5.2 Dangers of ionising radiation and precautions, 6.5.3 Half-life and radiation dangers, 6.5.4 Safety precautions for radiation exposure, and 6.5.5 Contamination and irradiation. 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