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April 20, 2014

Homework Help: physics

Posted by Anonymous on Thursday, June 6, 2013 at 12:25am.

Orange light with a wavelength of 6.00x102nm is directed at a metallic surface with a work function of 1.60eV. Calculate:
a) The maximum kinetic energy of the emitted electrons
b) Their maximum speed
c) The cutoff potential necessary to stop these electrons (V=Ek/e)

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