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Nuclear physics

Eduqas A420QS — matched to your course.

Nuclear stability, binding energy, radioactive decay, fission and fusion.

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Inverse-square law for gamma radiation

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Subtopics and study areas

  • Measure corrected gamma count rate at different distances and test an inverse-square relationship.

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Nuclear physics

Tailored to Eduqas A420QS.

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Subtopics and study areas

  • Use mass defect and E = mc² to calculate nuclear binding energy.
  • Apply exponential radioactive-decay relationships and half-life.
  • Explain the physical basis of nuclear fission and fusion.
  • Describe radioactive decay as random for individual nuclei but statistically predictable for a large sample.
  • Use the meaning of half-life to interpret radioactive decay.
  • Explain nuclear binding energy as the energy required to separate a nucleus into its nucleons.

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Radioactive decay model using dice

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Subtopics and study areas

  • Model random radioactive decay with dice and determine a model half-life statistically.