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Topic plan · A-Level Physics 9702 · Topic 22

Quantum physics

Where physics broke and rebuilt itself. The photon, the photoelectric effect, wave-particle duality, and the discrete energy levels that explain line spectra.

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Unit at a glance

4 lessons, 180 minutes of teaching

Lessons
4, each planned for 45 minutes
Worksheets
4 with answer keys
Quiz questions
0 multiple-choice, assignable in the app
Lab
Quantum physics
Scheme of work

The lessons in order

RefLesson packStructureWorksheetQuizLab tab
22.1Energy and momentum of a photon
Electromagnetic radiation is not a smooth stream of energy.
Anticipation / Reaction Guide4 Q, 35 marks (topic)4 checkstab 1
22.2The photoelectric effect
Shine light on a metal and electrons can fly off.
Cooperative Concept Mapping5 Q, 46 marks (topic)4 checkstab 2
22.3Wave-particle duality
Light diffracts like a wave yet ejects electrons like a particle.
Think-Pair-Share3 Q, 27 marks (topic)4 checkstab 3
22.4Energy levels and line spectra
An electron in an atom can sit only at fixed energy levels.
Mix-Pair-Share2 Q, 19 marks (topic)4 checkstab 4

Each pack holds the plan, worksheet and quiz for its lesson. Teach the rows in order; the lab tabs match the student lessons.

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