Unformatted text preview: • What are the kinetic energies of the fastest and slowest emitted photoelectrons? • What is the stopping potential (i.e. the applied voltage needed to make the photocurrent go zero)? • What is the cutoff wavelength for Al? • If the intensity of the light hitting the surface is 2 W/m 2 , what is photon flux?...
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This document was uploaded on 03/27/2010.
- Spring '09