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6.5 Uses and dangers of radioactivity

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Question 14

In 2015, a research group claimed they had successfully triggered nuclear fusion at a temperature of just 450 ∘C450\text{ }^{\circ}\text{C}450 ∘C using a tabletop electrostatic device.

Explain why the wider scientific community was highly skeptical of these claims before any independent validation.

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Markscheme

6.5 Uses and dangers of radioactivity Questions

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

94 exam-style questions 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 has a worked solution and a mark scheme showing where the marks go.

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