CHEM 6A Lecture Notes - Lecture 11: Work Function, Photon
3 Jun 2018
School
Department
Course
Professor
Midterm at Peter 108
Ch 1-3, pre-ch3 on concept of mole, naming podcasts, ch4 ionization energies, wave basics,
energy of photons, sapling Q 1-9 HW 40000
Quantization
â—Ź E = h= hc
â—Ź E = energy of a photon
â—Ź Total energy = nh= nhc
â—‹ N = integer
Photoelectric effect
*measure of # of e- ejected (current = change per unit time
*measure kinetic energy of e- ejected
WRONG PREDICTIONS
1.
2.
ACTUAL OBSERVATIONS
1. Higher intensity (higher overall energy of EMR) gives more e- (larger current)
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