Learning objective
Explain how electron collisions transfer discrete amounts of energy to atoms.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Electromagnetic radiation and quantum phenomena
Subtopic
Collisions of electrons with atoms
Aqa A Level PhysicsParticles and radiation
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Quick explanation
Explain how electron collisions transfer discrete amounts of energy to atoms
- This point belongs to Electromagnetic radiation and quantum phenomena, especially Collisions of electrons with atoms.
- You need to be able to explain how electron collisions transfer discrete amounts of energy to atoms.
- The key ideas to know are electron collision.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
electron collision
Why it matters
This objective helps connect Collisions of electrons with atoms to exam-style questions, flashcards, and revision notes for Electromagnetic radiation and quantum phenomena.
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Open revision notesRelated learning objectives
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The photoelectric effect
- Explain threshold frequency using photon energy and work function.
The photoelectric effect
- Use E = hf in photoelectric effect calculations.
The photoelectric effect
- Explain why wave theory cannot account for key photoelectric observations.
The photoelectric effect
- Distinguish excitation from ionisation.
Collisions of electrons with atoms