Fall2006Final - FINAL TEST MSE 110 Fall 2006 Instructions:...

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FINAL TEST MSE 110 Fall 2006 Instructions: Put your name, the number of your section and all your answers on the answer sheet (last page). No notes, paper or books are allowed except the Sargent-Welsh periodic table. Ask if you need more paper. Be aware that the questions can have different weigh. There are no negative points for wrong answers. Good luck Some Equations that you may need : E = h ν , c = λν , mv h = λ , E k =½mv 2 , 2 2 1 mv + Φ = ν h , S V e Δ = 2 2 1 mv = 2 2 1 1 6 . 13 i f f i n n E E , Z n a r o n 2 = , 2 2 6 . 13 n Z E n = , 2 n L = , 2 π r=n λ , r ze E Coul 0 2 4 πε = , n rep r C E = , μ σ ne = , μ =L× Δδ ⎛ − = kT E N n g c 2 exp , σ =n h e μ h + n e e μ e , 2 2 R a = , R a 3 4 = , λ = 2d sin θ , 2 2 2 ) ( l k h a d hkl + + = ,…., ] [ ] [Re ln RT E E o Ox d nF Δ = Δ , equ equ Ox d K ] [ ] [Re = , + = 2 1 1 1 2 1 1 m m k π υ , 2 1 1 + = = n n I I R o R , v c n = = ε o S I a I 4 = , l α = e o I I , 2 1 2 1 sin sin θθ n n = Some constants and conversions : Planck’s constant: h = 6.626 × 10 -34 J sec Boltzmann’s constant: k = 1.38 × 10 -23 J/K molecule Avogadro’s number: N A = 6.02 × 10 23 molecules/mole Permittivity of space: ε 0 = 8.86 × 10 -12 C 2 /J m Gas constant: R = 8.314 K -1 mole -1 ; Electron charge: e = 1.602 × 10 -19 coul Electron mass: m = 9.1 × 10 -31 kg; Proton mass = 1.67 × 10 -27 kg Speed of light: c = 3 × 10 8 m/sec; Bohr’s radius: a 0 = 52.9 pm 0257 . 0 RT = F Faraday constant: F=96500 C N c = 5 × 10 25 m -3 E o (O 2 /OH-) = 0.40 V E o (O 2 /H 2 O) = 1.23 V 1 eV = 1.602 × 10 –19 J 1 J =1 kg·m 2 ·s -2
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PART I Question 1: At long wavelength, the optical window of a material is limited by electronic transitions. (3pts) (1) TRUE (2) FALSE Question 2: In an optical fiber, the index of the cladding is larger than the index of the core. (4pts) (1) TRUE (2) FALSE Question 3: The vibrational frequency decreases with increasing mass of the atoms. (3pts) (1) TRUE (2)
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This note was uploaded on 10/05/2009 for the course MSE 110 taught by Professor Lucas during the Spring '08 term at University of Arizona- Tucson.

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Fall2006Final - FINAL TEST MSE 110 Fall 2006 Instructions:...

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