Physics · A-Level · AQA · AQA A-level Physics (7408) · Specification point · 3.2.2.1 · Particles and radiation · Electromagnetic radiation and quantum phenomena
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3.2.2.1 The photoelectric effect
| Content | Opportunities for skills development |
|---|---|
Threshold frequency; photon explanation of threshold frequency. Work function ϕ, stopping potential. Photoelectric equation: |
is the maximum kinetic energy of the photoelectrons.
The experimental determination of stopping potential is not required.
PS 3.2 / MS 2.3 Demonstration of the photoelectric effect using a photocell or an electroscope with a zinc plate attachment and UV lamp. |