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Edexcel A-Level Physics Modifications to Reduce Errors

Review modifications to reduce errors in Edexcel A-Level Physics through practical fixes for distance measurement, parallax and background light.

Syllabus
Pearson Edexcel International Advanced Subsidiary/Advanced Level
Course
Physics XPH11/YPH11
Level
A2

Exam points

  • pair each error source with a realistic fix, such as set squares for parallax in distance readings
  • reduce light-meter errors by blocking background light or measuring and subtracting it

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