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Lecture13_ Ch13_Part1

# Lecture13_ Ch13_Part1 - Lecture Lecture 13 Waves and Sounds...

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1 Lecture 13: Waves and Sounds Chapter 13 Chapter 13 – Part 1 Plan 1. Basics about Waves 2. Period and Frequency 3. Wave energy and Wave speed 4. Two types of waves Chapter 13: Homework Key Terms Review Questions: 1, 2, 4, 5, 6, 7, 8, 15, 16, 18 Exercises: 1 2 4 5 8 11 Exercises: 1, 2, 4, 5, 8,11 Problems: 1, 3, 6, 8 I. Basics about waves We all familiar very well with different type of waves. Examples include ! shore waves and waves of the surface of various water reservoirs such a lake a sea or an ocean; water reservoirs such a lake, a sea, or an ocean; ! sound waves; ! electromagnetic waves of light, ! ….. and many-many others. What is the source of all waves? Any vibrating object. For example, a vibrating string creates a sound that propagate in space. A vibrations is a wiggle. When the wiggle moves through space and time it is a wave .

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2 A wave is a collective phenomenon! Unlike to motion of a single particle, waves require matter or a medium to propagate.
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Lecture13_ Ch13_Part1 - Lecture Lecture 13 Waves and Sounds...

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