PHY2054 - Fall 2007 Final

PHY2054 - Fall 2007 Final - 77777 77777 PHYSICS DEPARTMENT...

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Unformatted text preview: 77777 77777 PHYSICS DEPARTMENT PHY 2054 Final Exam Fall, 2007 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on this examination. YOUR TEST NUMBER IS THE 5-DIGIT NUMBER AT THE TOP OF EACH PAGE. (1) Code your test number on your answer sheet (use lines 7680 on the answer sheet for the 5-digit number) . Code your name on your answer sheet. DARKEN CIRCLES COMPLETELY . Code your UFID number on your answer sheet. (2) Print your name on this sheet and sign it also. (3) Do all scratch work anywhere on this exam that you like. Circle your answers on the test form. At the end of the test, this exam printout is to be turned in. No credit will be given without both answer sheet and printout. (4) Blacken the circle of your intended answer completely, using a #2 pencil or blue or black ink . Do not make any stray marks or some answers may be counted as incorrect. (5) The answers are rounded off. Choose the closest to exact. There is no penalty for guessing. (6) Hand in the answer sheet separately. Constants m p = m n = 1 . 67 10- 27 kg e = 1 . 6 10- 19 C 1 C = 10- 6 C G = 6 . 67 10- 11 Nm 2 /kg 2 m e = 9 . 11 10- 31 kg 1nC = 10- 9 C g = 9 . 80 m/s 2 1pC = 10- 12 C k E = 8 . 99 10 9 Nm 2 /C 2 = 1 . 26 10- 6 T m A = 8 . 85 10- 12 C 2 /N/m 2 1 eV = 1 . 6 10- 19 J c = 3 10 8 m/s 1. Determine the maximum angle for which the light rays inci- dent on the end of the optical fiber of radius 1 mm are subject to the total internal reflection along the walls of the fiber. As- sume that the fiber has an index of refraction of 1.3 and that the outside medium is air.the outside medium is air....
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This note was uploaded on 03/15/2010 for the course PHY 2054 taught by Professor Avery during the Spring '08 term at University of Florida.

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PHY2054 - Fall 2007 Final - 77777 77777 PHYSICS DEPARTMENT...

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