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CAIE A-Level Physics A2 22.3 Wave Particle Duality Questions

Practise using photoelectric, interference and electron-diffraction evidence for wave-particle duality and calculating de Broglie wavelength from momentum.

Syllabus
2028–2030
Course
Physics 9702
Level
A2

Exam points

  • use photoelectric, interference and diffraction observations as evidence for wave�particle duality
  • interpret electron-diffraction evidence for the wave nature of particles
  • calculate and interpret de Broglie wavelength from particle momentum

Covered syllabus points

22.3.1—The photoelectric effect provides evidence for a particulate nature of22.3.2—And interpret qualitatively the evidence provided by electron diffraction22.3.3—The de Broglie wavelength as the wavelength associated with a moving22.3.4—Λ = h / p

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