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Panic Attack
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Homework Statement
What is the maximum energy of the ejected electrons? When the radiation wavelength is 100 nm, and the stopping potential of the metal is 8.
Homework Equations
KE = hc/wavelenght - Wo
The Attempt at a Solution
I found the work function and the cut off wavelength to be the following but I can't figure out the max energy...
KE = hc/wavelenght - Wo
Wo = work function = { (6.63 *10^-34)(3*10^8) / (100 *10^9) } - (1.6*10^-19)(8)
Fo = cut off frequency = Wo / (6.63 *10^-34)