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Unformatted text preview: Using E = nhf
number of quanta usually 1 E = hf
frequency of EMR note the units recall c = f λ using substitution f = c λ E = hc this is the energy of a quanta of λ
EMR with a certain
wavelength 7 Phys 30 Mon Apr 19 Workbook p 232 #3 8 Phys 30 Mon Apr 19 Workbook p 232 #4 9 Phys 30 Mon Apr 19 Workbook p 233 #8 10 Phys 30 Mon Apr 19 Know the general ideas in this chart !! 11 Phys 30 Mon Apr 19 may be uv, visible or infrared all or none light must be of high enough f or no effect particle model of light 12 Phys 30 Mon Apr 19 13 Phys 30 Mon Apr 19 Photoelectric effect is another application of the conservation of energy. incoming light energy W = hfo Ekmax = qVstop website http://phet.colorado.edu/simulations/sims.php?sim=Photoelectric_Effect energy used to "fre...
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