Past Midterm Exam with Answer Key - Introductory Modern Physics | PH 314, Exams of Physics

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PH 314 Midterm Exam 05/07/2008 KEY Print your name here: Write your student ID # here: Sign your name here: Directions: No books or notes may be used during this exam. Important formulas are provided for you. Graphing calculators and palmtop or laptop computers are not allowed. Always include three significant digits in your numerical answers. c=2.998x 108m/s ee = 1.602x 10°C k= 1.381 x 107 JK =8.617 x 10° eVK h = 6.626 x 104 J-s = 4.136 x 10° V's. = 1240 eV-nm = 1240 MeV-fm h=hi2n 1eV=1.602 x 10° J 1 u= 931.50 MeV/c? = 1.6605 x 10°" kg me =9.11x 107" kg=0.511 MeV/c? mp = 938.3 MeV/c? Mg = 939.6 MeV/c" himec = 0.002426 nm =o = 5.67 x 10° W/m?-K* Inm=10°m = 1 fm=10%m Na=6.02x10% = R= 8.314 I/moleK e /4ne, =1.44eV-nm a, = 4ae,h? / me? =0.0529nm R= me*/64a° eh =1.097x10 m" ty = eh / 2m =9.274x10™ VT At ! At =——0__ L=lgVl-u? 1c? vet Vt—u2 Jc l+vu/e 2 my mc 2 2 252 p=) KK=E-E,) E====——)— Ey=me?— E= ype)’ +(e’) vi-vle ° vi-vie * PV =nRT = PV =NKT sv, =\BP/ p= 3kT/m = — AmG*),, =34T v= V8 Jam Lp v= i n(vjdv IY m= 1 n(v)dv N(E)=2Na PO RTY?O Be F'? OE = 3nRT (monatomic gas) —-C, = AE, /nAT E=hv c=av Ky, =e¥,=hv-@ = p=h/A T=0T* A, T=2.898x10°m-K n(v) =40N(m/2nkTY? Ve? NY, 2ahe? h 11 1 he R= 4 = 1 - c080* —-—=——(1-cos0 ae (A) Be mo! sO) EE maa! 9) Ain =a AxAp, 28/2 ARAPZRI2 Vinge = OK Vga = dao! dk Wd? om 2 : 2 Sm age TUCO = Eu) Piaddr=Wy['de P= Pood Py) dem nAX Paen [7@)],, = Evol tera Inf. well: y,, (x) = VFsin E, mE (#=1,2,3...) Yxo=syoaje” e” =cosO+isin@ Ose. w(x) = Ae™ E,=(nthha, (#=0,1,2,...)