Physics A-Level
Conservation laws at vertices
What Conservation laws at vertices means in Physics A-Level, as defined for AQA.
Definition of Conservation laws at vertices
Check what you remember
Read the wording for your board, then hide it and explain Conservation laws at vertices in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
At each vertex, charge, baryon number and lepton number are conserved, and the diagram must be consistent with these conservation rules.
Topics that use Conservation laws at vertices
- Particle interactions (AQA A-Level)
Related terms
- Electromagnetic force
- Exchange particles as carriers of forces
- Fundamental interactions
- Range and strength
- Virtual particles
- Virtual photons
- Weak and electromagnetic interactions
- Exchange particles
Using Conservation laws at vertices 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