Abstract
This note shows how to take reverse currents into account in a vacuum phototube and to measure stopping potentials more reliably with a computer data-acquisition system. The work function of the emitter is determined from the photoemission threshold.
| Original language | English |
|---|---|
| Pages (from-to) | 941-943 |
| Number of pages | 3 |
| Journal | American Journal of Physics |
| Volume | 74 |
| Issue number | 10 |
| DOIs | |
| State | Published - Oct 2006 |