Quiz 2 Solns

Quiz 2 Solns - Phys320 Spring 2004 (Baski) Quiz #2:...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Phys320 – Spring 2004 (Baski) Quiz #2: Particle/Wave Duality – Part 1 February 11, 2004 Name: SOLUTIONS Complete both of the following problems. Show all of your work for full credit. ( 29 ( 29 Useful Formula: 1 co s (0.00243nm )1 cos Compton l l qq = - =- 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 e V 1.5e V 1.5eV 1240 eV nm 1.5 eV = 0.5 eV.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

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.

Ask a homework question - tutors are online