15 Pages

# Final Exam Sp01 Solutions

Course Number: PHY 251, Spring 2001

College/University: SUNY Stony Brook

Word Count: 5056

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PHY251_M2_S01_solutions Name: PHYSICS 251 - Final Exam Wednesday, May 16, 2001 Show all work for full credit! I. Short answer problems (120 points) 1. Calculate the momentum p and the wavelength l of: (Use eV/c and nm units!) i. a photon of 10 eV energy, Solution: p=E/c=10 eV/c; l=h/p=1240 eV/c nm/10 eV/c = 124 nm. ii. an electron of 10 eV energy, Solution: p=(2mE) = (20.51110-610) = 3.2 keV/c; l=h/p=1240...

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SUNY Stony Brook - PHY - 251
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SUNY Stony Brook - PHY - 251
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SUNY Stony Brook - PHY - 251
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SUNY Stony Brook - PHY - 251
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