Phys 1120 Sample Final Exam - PHYS 1120 Final Exam NAME...

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Unformatted text preview: PHYS 1120 Final Exam NAME:______________________________ Spring 2008 FE.1 Final Exam Student ID #__________________________________________________ Section number and TA Name:___________________________________ Exam Version 0001 Please do not open the exam until you are asked to. • Your exam should have 10 pages, numbered FE.1 thru FE.10. • This exam consists of 32 multiple choice questions, worth 5 points each, for a total of 160 points. PLEASE!! 1. Print your name on each page in the space provided. 2. Print your student Identification Number on the page above. 3. Bubble your name, ID, and exam version number on the bubble sheet provided. 4. Write the name of your TA neatly in the big blank space at the bottom of the bubble sheet. TA's names are Charles Bailey, Jeremy Brown, Craig Hogle, Daniel McKinnon, and Youngwoo Yi We recommend : At the end of the exam, check that you have completed all the questions. By handing in this exam, you agree to the following statement: "On my honor, as a University of Colorado Student, I have neither given nor received unauthorized assistance on this work" Signature______________________________________________ Possibly useful information: μ = 4 π 10-7 T·m/A, basic charge unit 1.6x10-19 C, ε = 8.85x10-12 C 2 /(N.m 2 ) Speed of light in vacuum : 3x10 8 m/sec Electrostatic potential of a point charge (chosen to be zero at infinite distance). Electric field magnitude from a surface charge density. Magnetic field magnitude from a long straight wire Good luck! PHYS 1120 Final Exam NAME:______________________________ Spring 2008 FE.2 Final Exam Circle the closest answer and Bubble in questions 1-35 ON YOUR BUBBLE SHEET! 1. An electromagnetic wave, A) has an oscillating magnetic field. B) has an oscillating electric field. C) has a wavelength. D) has a frequency. E) All of the above. 2. An electromagnetic wave: A) has a frequency that changes when it enters a material B) has wavelength that gets larger in materials. C) has a wavelength that is unchanged in materials D) travels at 3x10 8 m/sec always. E) None of these. The next two questions refer to an electromagnetic wave traveling in vacuum with an electric field given by the following equation, where x is measured in meters and t is measured in seconds. 3. The wavelength of the wave is (A) 1.00 m (B) 6.28 m (C) 0.16 m (D) 2.00 m. 4. The speed of the wave is (A) zero m/s (B) 3x10 8 m/sec (C) 1.89x10 9 m/s (D) 6.28 m/s 5. Visible green light with a wavelength of 550 nm in vacuum has a frequency of: (A) 3x10 8 Hz (B) 1.65x10 11 Hz (C) 5.45x10 14 Hz (D) 1.83x10-15 Hz (E) None of these 6. The index of refraction of any particular material is: A) the speed of light in the material divided by the speed of light in vacuum B) a number always less than 1....
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This note was uploaded on 09/23/2010 for the course PHYSICS 1120 taught by Professor Holland during the Spring '09 term at University of Colorado Denver.

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Phys 1120 Sample Final Exam - PHYS 1120 Final Exam NAME...

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