Grade 11 Physical Sciences · Waves, Sound and Light · Paper 1 (Physics)
2D and 3D Wavefronts Grade 11
Real 2D and 3D Wavefronts past paper questions and answers, with each memo split into the ticks examiners give. Try one, mark yourself, and see exactly which skill cost you marks.
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Question WE2 · Siyavula Grade 11 Physical Sciences, 6.5 Diffraction through a single slit, Worked example 2 · 3 marks


Work it out on paper first. Then mark yourself with the official memo, one tick at a time.
2D and 3D Wavefronts skills
Each skill is one thing a memo gives a tick for. Tap one for its own questions, notes and videos.
- State optics laws and definitionsState the law of reflection, Snell's law or Huygens' principle, or define terms like refractive index, critical angle and the normal.4 videos
- Explain diffractionExplain how waves spread out through a narrow gap, and how the spreading changes with wavelength and slit width (a narrower slit spreads more).1 past paper question · 3 videos
2D and 3D Wavefronts Grade 11 videos
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