Practice Exam 2

Practice Exam 2 - 1 PHYSICS 6 HOUR EXAM 2 SPRING 2003 NAME_...

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1 PHYSICS 6 HOUR EXAM 2 SPRING 2003 NAME___________________________________________ This is a closed book, closed notes exam, except for a copy of Copenhagen. You may use calculators. Make sure you show all your work! You will get partial credit for correct intermediate steps. Useful data and equations: Binomial distribution for k identical objects out of n choices (e.g. k heads in n tosses): n!/((n-k)!k!) · ( p ) k (1- p ) n-k where p is the probability for a single one of the k's (e.g. head) speed or velocity = v = distance / time Force = mass · acceleration Work = force · distance Power = Energy / time Momentum = p = m v (m = mass) Kinetic Energy = 1/2 mv 2 c = λ f where λ is wavelength, f is frequency Photon E = h f deBroglie: λ =h / p Bohr model: E n = (-13.6 eV) / n 2 Heisenberg's Uncertainty x p h / 4 π Constants: Avogadro's Number: N 0 = 6.0 x 10 23 Velocity of light: c = 3 x 10 8 meter/sec Planck's constant h = 6.6x10 -34 J·s or h = 4.1x10 -15 eV· s Units: Mass: 1 Kilogram Energy: 1 J(oule) = 1 Kg m 2 / sec 2 ; 1 electron Volt (eV) = 1.6x10 -19 J Power: 1 Watt = 1 J/s ---------------------------------------------------------------------------------------- Grades: points /possible points I /60 (multiple choice) II /20 III /30 IV /10 __V_________________/60__(essay) Total: /180
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2 NAME_____________________________
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This note was uploaded on 03/10/2008 for the course PHY 6 taught by Professor Garyr.goldstein during the Spring '06 term at Tufts.

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Practice Exam 2 - 1 PHYSICS 6 HOUR EXAM 2 SPRING 2003 NAME_...

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