https://physlab-wiki.com/ 2026-04-22T00:42:56+00:00 https://physlab-wiki.com/ https://physlab-wiki.com/lib/tpl/UChicago/images/favicon.ico text/html 2025-10-22T13:33:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://physlab-wiki.com/phylabs/lab_courses/phys-211-wiki-home/introductory-lab-critical-potentials/start?rev=1761154405&do=diff Introductory Lab: Franck-Hertz Critical Potentials * Many students didn't identify first of the second set of peaks properly * This caused issues later on, as you'd expect. * Possible solution: Emphasize that we know the actual transition energy quite well from spectroscopy, so if they're getting a different value they should reassess what they've done.$E = hf = hc/\lambda$$V_{scope}$$E=hf = hc/\lambda$$f$$\lambda$$c$$h$$e$$V_a$$E=eV_a$$V_a$$K = eV_a$$V_a$$V_a$$E = hc/\lambda$$S = 0$$S…