Physics_10_-_Spring_2005_-_Muller_-_Final - PffP Final exam...

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PffP Final exam – Essay Questions 18 May 2005 Last name____________________ First name_________________SID___________ Essay questions (40 pts): pick two and only two to answer. Write a page on the back of a separate sheet for each. For each sheet, circle the question that you chose. This side is for your personal notes only. Cover the important points in a clear and concise manner – as if you have only a few minutes to tell the President, your roommate, or your parent, what that person needs to know. Clear, effective writing is important. If English is not your first language, state so at the top of your essay. If you need to re-write it, ask for a new sheet. 1. Energy and Power. An electric power plant "creates" energy from fuel. Fossil fuels include oil, coal, and natural gas. List three other (non fossil fuel) sources of energy that are used or will be used in the near future. What are the advantages and disadvantages of each? For each, describe how the fuel is used to generate electricity. Once it is created in the power plant, what additional steps are used to bring electricity into your home? Try to be detailed, but concise. 2. Visible light is an electromagnetic wave. Name five other phenomena that are also electromagnetic waves but have different names. (Try to pick things that a non-physics student would not know was "light".) How do these waves differ? Briefly describe applications for each of these waves. 3. Quantum phenomena. Many people think "quantum physics" is used only in the laboratory. In fact, many devices that depend on quantum physics for their operation are used in business, industry, and our everyday lives. Give examples of four such uses, and for each one, describe how quantum physics is essential for its operation. Try to pick four devices that appear, to the non-physics student, to be as different from each other as possible. Use a separate sheet for each essay. This side is for name and notes only. The essay should be on the next sheet.
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PffP Final Exam – Short Questions 18 May 2005 Last name____________________ First name_________________SID___________ Short questions (1 point each, 40 points total). Read the questions carefully so that you don’t misinterpret them (e.g. by missing a word such as “not”). Circle the correct answer. Make
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