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OAT Physics

Chapter 11 - Atomic Phenomena

TermDefinition
Planck's constant h = 6.63E-34 Js
Wein's displacement law lambda peak T = constant = 2.9E-3 mK
Stefan-Boltzman Law E = sigma TE4; sigma = 5.67E-8 J/sm2K4
Photoelectric Effect when light of high freq hits a metal and e- pop off the metal
threshold freq min freq needed for e- to pop off
Eph = hc/lambda = hf
Kph = hf-W
W = hf(threshold)
Bohr's E eq for H E = -13.6 eV/n^2
an e- jumps from higher E lvl to lower E lvl when it emits a photon
an e- jumps from low to high E lvl when it absorbs a photon
hc 1240 eVnm
h (in eV) = 4.14E-15
Created by: JaeBae4444
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