Physics_10_-_Fall_2005_-_Muller_-_Final - PffP Final exam...

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PffP Final exam – Essay Questions 15 December 2005 Last name______________ First name_______________SID___________GSI_______ Essay questions (40 pts): pick one and only one to answer and circle it. Start your essay on this side, and continue it on the other side. 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. The essay may be up to a page and a half long. If you need to re-write your essay, ask for a new sheet. 1. Sound channels : Describe natural sound channels that exist on the Earth. Why do sound channels form? Who uses (or used) them? For what purposes? Give examples of other kinds of waves that show similar behavior. 2. Invisible light includes IR and UV. What are these? How do they affect our everyday lives? What are their practical uses and applications? Name two other form of invisible light, and name applications for each. Include medical applications. 3. The laser was an invention that has changed our every-day lives. What does the word "laser" stand for? What properties of laser light make it useful? What are the main parts of a laser? What principles of quantum physics make a laser work? List five current and possible future uses for lasers; make the list as diverse as possible. Circle the question, and begin your essay here .
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PffP Final Exam – Short Questions 15 December 2005 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”). Enter all your answers on the Scantron form. 1. One food Calorie is approximately A. 4 kilojoules B. 4 joules C. 4 kilograms D. 4 grams 2. The force exerted on an astronaut who is in orbit 200 km above the surface of the earth is: A. nothing, since astronauts are weightless in space B. slightly less than on Earth because the force of gravity is less when you are further away C. the same weight as a feather;
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This test prep was uploaded on 04/01/2008 for the course PHYSICS C10 taught by Professor Muller during the Spring '08 term at University of California, Berkeley.

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Physics_10_-_Fall_2005_-_Muller_-_Final - PffP Final exam...

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