Physics A-Level
Conservation of energy in photon absorption
What Conservation of energy in photon absorption means in Physics A-Level, as defined for OCR.
Definition of Conservation of energy in photon absorption
Check what you remember
Read the wording for your board, then hide it and explain Conservation of energy in photon absorption in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The photon energy is used partly to escape the surface and the remainder becomes kinetic energy, for a single one-to-one photon-electron interaction.
Topics that use Conservation of energy in photon absorption
- The photoelectric effect (OCR A-Level)
Related terms
- Independence of KEmax from intensity
- Intensity
- Intensity as photons per second
- Maximum kinetic energy
- One-to-one interaction
- Photoelectric current
- Photoelectric emission
- Photon
Using Conservation of energy in photon absorption in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge