PHYSICS 10 Study Guide - Final Guide: Sound, W. M. Keck Observatory, Positron Emission Tomography
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Choose one essay question from list a and one from list b. circle the ones you chose. Put your name on three pages: the top page for a, for b, and for c (the multiple choice questions). Essay question a (20 pts): answer one of the following two questions: Many people use the terms greenhouse effect and ozone layer interchangeably as though they address the same issue. Explain the differences between the greenhouse effect and the ozone layer. Some people think solar energy is the answer to our future energy needs. Essay question b (20 pts): pick one and only one of the next two questions to answer. Define and explain 4 methods discussed in class that are used for medical imaging. Don"t forget to explain the physics behind the technique! Lasers are one of the most widely used technological inventions of the 20th and 21st centuries. Give examples of devices that use lasers in your answer.
