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Unformatted text preview: P213Fnl Form A PHYSICS 213 Final Exam Fall 2008 READ THIS This exam is worth 100 points. It consists of 25 multiple-choice questions worth 4 points each. Indicate your answers to the multiple-choice questions in the appropriate spaces on the answer sheet. Choose the best answer for each question from among the choices provided. As in the real world, the correct solution may not require the use of all information you are given. Don't get hung up on the questions. They should only take a few minutes each. If you find yourself spending more than a few minutes on a question you are probably looking at it the wrong way. You should skip it for now and come back to it later. Enter your student number on the scantron sheet prior to answering the first question. You will not be given time at the end of the exam to do so. Do not begin the examination until you are instructed to do so. GOOD LUCK Read and sign this brief memorandum of confidentiality. I will not reveal any portion of this test or the answers thereto to anyone who has not yet taken the exam, nor to anyone who I have reasonable expectation may then communicate the information to someone who has not taken the exam. I have not solicited in any sense any information from others about any previous administrations of this exam in this semester. I will hand in this entire printed copy of the exam at the end of the exam session and I will make no copies of any of the material herein. At the end of the exam I will cease writing when instructed to put my pencil down and follow all subsequent instructions. I understand that violation of this agreement constitutes academic dishonesty and is subject to disciplinary action. ______________________________ ______________________________ Sign here Print name Check the appropriate sect # if you wish to have your exam booklet returned to you Failure to sign and return this copy may result in zero credit for this exam. 1. An inventor suggests that a house might be heated by using a refrigerator to draw energy as heat from the ground and reject energy as heat into the house. He claims that the energy supplied to the house as heat can exceed the work required to run the refrigerator. This: A. is impossible since heat energy flows from the (hot) house to the (cold) ground. B. is impossible by second law. C. would only work if the ground and the house were at the same temperature. D. is impossible by first law. E. is possible. 2. An ideal diatomic gas initially occupying a volume V o expands adiabatically until its pressure is 1 / 10 of its initial pressure. What volume does the gas then occupy? A. 46.4 V o B. 4.0 V o C. 5.2 V o D. 10.0 V o E. 25.1 V o 3. The pressure of an ideal gas is doubled in an isothermal process. The root-mean-square speed of the molecules: A....
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This note was uploaded on 02/16/2011 for the course PHYS 213 taught by Professor Staff during the Fall '08 term at Pennsylvania State University, University Park.
- Fall '08