Physics A-Level
de Broglie wavelength of electrons
What de Broglie wavelength of electrons means in Physics A-Level, as defined for AQA.
Definition of de Broglie wavelength of electrons
Check what you remember
Read the wording for your board, then hide it and explain de Broglie wavelength of electrons in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Given by λ = h/p, where p is momentum, it relates to the electron momentum for electrons accelerated through an anode voltage.
Topics that use de Broglie wavelength of electrons
- Electron microscopes (A-level only) (AQA A-Level)
Related terms
- Energy conservation in electron acceleration
- Feedback control systems
- Order-of-magnitude estimation in physics
- Quantum tunnelling
- Resolution limits of electron microscopes
- Resolution limits of microscopes
- Specimen preparation and vacuum requirements
- Wave-particle duality and the de Broglie wavelength
Using de Broglie wavelength of electrons 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