
AQA A-level Physics Turning Points lesson on wave-particle duality and de Broglie. 15 editable slides, 24-mark worksheet, mark scheme and PDFs.
What’s in the PowerPoint
• A light recap starter, with answers in the speaker notes
• Light as a wave and as a particle
• The de Broglie equation and the probability interpretation
• Electron diffraction, and how ring size changes with voltage
• λ = h/√(2meV) with a worked example
• A common mistakes slide
• Six check questions with answers, and an exit ticket
• Teacher notes on every slide: textbook pages, spec references, misconceptions and demo ideas
What’s in the worksheet (24 marks)
• Recall of evidence for duality
• de Broglie wavelength calculations, including finding a p.d.
• Why large objects do not diffract
• Describing electron diffraction
• A full mark scheme with mark points, on separate pages
• PDF copies of the slides, the student worksheet (no answers) and the mark scheme, ready to print
Good for
First teaching, revision, homework, cover lessons or independent study. The PowerPoint and Word files are fully editable, and the PDFs are ready to print or share with students.
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