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# s04exam3a - PHYS-1200 PHYSICS II NAME QUIZ 3 Put a mark in...

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PHYS-1200 PHYSICS II QUIZ 3 APRIL 23, 2004 NAME ______________________________ Put a mark in the box next to the section of the course to which you are assigned. If you are not now in the room to which your section is assigned, GO TO IT NOW ! SECTION NUMBER EXAMINATION ROOM INSTRUCTOR DAY AND TIME THAT SECTION MEETS 1 DCC 330 SCOTT DWYER MR 8:00 A.M. 2 DCC 318 THOMAS SHANNON MR 10:00 A.M. 3 DCC 330 SCOTT DWYER MR 12:00 NOON. 5 DCC 318 QUENTIN HUDSPETH TF 10:00 A.M. 6 DCC 324 SUSANNE HAUGER TF 12:00 NOON 7 DCC 324 SUSANNE HAUGER TF 2:00 P.M. 8 DCC 337 TIMOTHY HAYES MR 2:00 P.M. 9 DCC 318 THOMAS SHANNON MR 12:00 NOON There are 6 different pages in this quiz, including the cover page. Check now to see that you have all of them. CREDIT GRADE PART A 40% PART B 20% PART C-1 18% PART C-2 22% TOTAL 100% All work and answers must be given in the spaces provided on these pages.

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NAME ______________________________ PART A . (40%) Each question is worth 5%. In the space provided, to the left of the question number, write the letter corresponding to the best answer to the question. ___ 1. The intensity of sound wave A is 100 times the intensity of sound wave B . The sound level of wave A minus the sound level of wave B is: A. – 2 db B. + 2 db C. + 10 db D. + 20 db E. + 100 db ___ 2. The index of refraction of a material provides information about the speed of light in that material. The units of the index of refraction are: ___ 3. Yellow light is being used as a source for a Young’s double-slit experiment. Which of the following changes would cause the interference pattern to be more closely spaced? A. Use slits that are closer together D. Use blue light instead of yellow light B. Use a light source of lower intensity E. Use red light instead of yellow light C. Use a light source of higher intensity
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