Phys320 – Spring 2004 (Baski) Quiz #2: Particle/Wave Duality – Part 1 February 11, 2004 Name: SOLUTIONSComplete both of the following problems. Show all of your work for full credit. ( 29 ( 29Useful Formula: 1cos(0.00243nm)1cosComptonllqq∆=-=-Problem 1: Photoelectric effect Find the work function for an unknown metal if an incoming 3.0-eV photon ejects a photoelectron with 1.5 eV kinetic energy. Given this work function, find the stopping potential for an electron ejected using light with a 620 nm wavelength. (photon energy) (electron kinetic energy)3.0 eV1.5eV1.5eV1240 eV nm1.5 eV = 0.5 eV.
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This homework help was uploaded on 04/22/2008 for the course PHYS 320 taught by Professor Baski during the Spring '04 term at VCU.