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CP3: Refraction

Investigate refraction in rectangular glass blocks in terms of the interaction of electromagnetic waves with matter

Required PracticalEdexcelGCSE

🔬 Equipment Required

  • Ray box or single slit light source
  • Rectangular glass or perspex block
  • Protractor
  • Ruler
  • White paper
  • Pencil
  • Pins (for ray tracing method)

🦺 Safety Precautions

  • Do not look directly into the light source
  • Handle glass blocks carefully to avoid breakage
  • Take care with sharp edges on glass blocks

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About CP3: Refraction

CP3: Refraction is a required practical for Edexcel GCSE Physics. This practical investigate refraction in rectangular glass blocks in terms of the interaction of electromagnetic waves with matter

Students are expected to understand the method, identify and control variables, use appropriate equipment, analyse results, draw graphs, identify sources of error, suggest improvements, and consider safety precautions.

Questions on required practicals frequently appear in Edexcel GCSE Physics exams and can be worth significant marks. Practice with our AI-generated questions to master this practical.

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