# 7CFINAL - 1 Last First Initial Name(please print Student...

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1 , , Last First Initial Name (please print) Student Number UNIVERSITY OF CALIFORNIA AT BERKELEY DEPARTMENT OF PHYSICS PHYSICS 7C FALL SEMESTER 2008 KONSTANTIN BOBKOV Final Exam December 15, 2008 This examination is closed book. You may refer to three 8 1 2 × 11 sheet of paper (both sides) that you have prepared. Calculators are allowed. Laptops and Cell Phones are prohibited Work all problems. Note varied point values. Please use the following approximate values: Electron mass = 500 keV/c 2 Proton, antiproton and neutron masses = 1 GeV/c 2 SEE NEXT PAGE FOR USEFUL CONSTANTS AND INTEGRALS! 1 ______________/15 2 ______________/20 3 ______________/10 4 ______________ _/5 5 ______________/15 6 ____________ __/20 7 ____________ __/15 Total ______________/100

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Some of the following constants may be of use: hc = 1240 eV nm ħ c = 197 eV nm ħ = 1.05 x10 -34 J s a o (Bohr radius) = 5.3x10 -11 m electron mass (see also front page)= 9.1x10 -31 kg proton mass (see also front page)= 1.7x10 -27 kg k = 1/(4 πε 0 )= 9 x 10 9 Nm 2 /C 2 e 2 / (4 πε 0 )= 1.44 eV nm c = 3x10 8 m/s Some of the following
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7CFINAL - 1 Last First Initial Name(please print Student...

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