PCS229 BME229 final_exam_2009

PCS229 BME229 final_exam_2009 - PCS229/BME229 Final Exam...

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PCS229/BME229 Final Exam December 2009 RYERSON UNIVERSITY Department of Physics PCS 229/BME229: Introduction to Medical Physics Final Exam, December 11, 2009 Prof. Dr. A. Pejović-Milić STUDENT NAME: First name (please print) Last name (please print) ID NUMBER: Please sign that you read the instructions Question number Mark Part 1 (30 marks) Part 2 Question (1) (10 marks) Question (2) (10 marks) Question (3) (10 marks) Question (4) (14 marks) Question (5) (6 marks) Total: (80 marks) Instructions: 1. Be registered in the course to write the final exam Page 1 of 13
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PCS229/BME229 Final Exam December 2009 2. Place student ID on the upper right hand corner of the desk for verification 3. Do not leave the exam within the first 30 minutes, not enter the exam more than 30 minutes after it has begun or leave the exam within the last 15 minutes 4. Conduct the exam in silence 5. Duration of the exam is 2.5 hours 6. The exam consists of 17 multiple-choice questions (parts I) and 5 numerical problems (part II); The exam booklet consists of 13 pages 7. Do not guess answers. Solve problems in the space provided. If you need more space, use the back of the page (indicate this fact on the original page) 8. This final exam is an open-book exam. This means that you can use/ have any PRINTED documents and/or books; Calculators are allowed; however, use of laptop computers with Internet access is not permitted 9. Have no pencil cases on desks only writing utensils. 10. Place all cell phones/ personal audio equipment and other electronic devices in bags 11. Place all bags , and personal belongings in a designated area in the room. No personal 12. belongings can be brought to the exam desk 13. Have no food or drink during the exam unless medically required 14. Remove hats while writing the exam unless required by religious observance 15. Raise your hands to ask a question, use washroom, or request additional supplies 16. In the case of an emergency, leave all exam materials on the desk and follow the instructions of the invigilator Page 2 of 13
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PCS229/BME229 Final Exam December 2009 PART I: Questions 1 to 17 are multiple-choice questions. 1. [1 mark] A radioactive material has a disintegration rate of 7.4 x 10 6 Bq. This is equivalent to _____________ µCi. (A) 5.0 x 10 -1 (B) 2.0 x 10 2 (C) 3.7 x 10 4 (D) 7.4 x 10 6 (E) 27.4 x 10 10 2. [1 mark] The half-life of a radioisotope is: (A) Influenced by temperature and pressure (B) Directly proportional to the decay constant (C) Usually shorter for beta menus than for beta plus emitters (D) Less than the average (mean) life (E) All of the above 3. [6 marks] For the decay scheme below (answer (circle) T for true and F for false):
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This note was uploaded on 09/24/2011 for the course PCS 229 taught by Professor Pejovic-milic during the Fall '11 term at Ryerson.

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PCS229 BME229 final_exam_2009 - PCS229/BME229 Final Exam...

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