Spring2008Final - FINAL TEST MSE 110 Spring 2008...

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Unformatted text preview: FINAL TEST MSE 110 Spring 2008 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 , c = , mv h = , E k =mv 2 , 2 2 1 mv + = h , S V e = 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 r=n , r ze E Coul 2 4 = , n rep r C E = , ne = , =L = kT E N n g c 2 exp , =n h e h + n e e e , 2 2 R a = , R a 3 4 = , = 2d sin , 2 2 2 ) ( l k h a d hkl + + = ,., ] [ ] [Re ln RT E E o Ox d nF = , equ equ Ox d K ] [ ] [Re = , + = 2 1 1 1 2 1 1 m m k , 2 1 1 + = = n n I I R o R , v c n = = o S I a I 4 = , l = e o I I , 2 1 2 1 sin sin n n = Some constants and conversions : Plancks constant: h = 6.626 10-34 J sec Boltzmanns constant: k = 1.38 10-23 J/K molecule Avogadros number: N A = 6.02 10 23 molecules/mole Permittivity of space: = 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; Bohrs radius: a = 52.9 pm 0257 . 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 kgm 2 s-2 PART I Question 1: The speed of light is higher in diamond than in air. (3pts) (1) TRUE (2) FALSE Question 2: UV light is scattered more efficiently than Infrared light. (4pts) (1) TRUE (2) FALSE Question 3: Transition metal impurities can produce colors in glass. (3pts) (1) TRUE (2) FALSE Question 4: Infrared light such as body heat is transmitted efficiently through silicate glass such as window glass. (4pts) (1) TRUE (2) FALSE Question 5: The sun can be reflected off the surface of the sea by total internal reflection. (4pts) The sun can be reflected off the surface of the sea by total internal reflection....
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Spring2008Final - FINAL TEST MSE 110 Spring 2008...

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