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RP2: Interference Effects

Investigation of interference effects to include Young's double slit experiment and interference using a diffraction grating

Required PracticalAQAA-Level

🔬 Equipment Required

  • Laser (Class 2 or below)
  • Double slit
  • Diffraction grating (known line spacing)
  • Screen
  • Metre ruler
  • Vernier calipers or travelling microscope
  • Darkened room

🦺 Safety Precautions

  • Never look directly into laser beam
  • Remove reflective objects (watches, jewellery)
  • Use Class 2 laser or below
  • Display laser warning signs
  • Work in controlled lighting conditions

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About RP2: Interference Effects

RP2: Interference Effects is a required practical for AQA A-Level Physics. This practical investigation of interference effects to include young's double slit experiment and interference using a diffraction grating

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 AQA A-Level Physics exams and can be worth significant marks. Practice with our AI-generated questions to master this practical.

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