1. Infrasonics  The frequency of Sound waves below 20 hertz is called infrasonic range. These waves are called as infrasonic waves.Ultrasonics  The frequency…

Slide 1© 2010 Pearson Education, Inc. Conceptual Physics 11 th Edition Chapter 21: MUSICAL SOUNDS Slide 2 © 2010 Pearson Education, Inc. This lecture will help you understand:…

Slide 1 Slide 2 Slide 3 What are waves? Def. - Disturbances that carry energy from place to place, through matter or space. Slide 4 Most waves begin with a vibration Waves…

Slide 1Today: Sound (Ch 20) Homework due today Looking ahead: Apr 11 is the next midterm; Chs. 11, 13, 14, 15, 19, 20, 22 Slide 2 Preliminaries What is the origin of sound?…

Slide 1General Physics Mrs. Dimler CHAPTER 12 SOUND Slide 2 Section 1 – Sound Waves Section 2 – Sound Intensity and Resonance Section 3 – Harmonics CHAPTER 12 - SOUND…

1.    What is Sound? Sound is a type of energy made by vibrations. When any object vibrates, it causes movement in the air particles. These particles jump into the particles…

1.    What is Sound? Sound is a type of energy made by vibrations. When any object vibrates, it causes movement in the air particles. These particles jump into the particles…

1. Sound and Hearing 2. Properties of Sound Waves • What type of waves are sound waves? 3. Properties Sounds behave in certain ways because of the properties of sound waves.…

1. Lorem Ipsum Dolor Doppler Effect LO5 2. History ❖ Doppler effect is named after the Austrian physicist Christian Doppler ❖ Christian Andreas Doppler (29 November 1803…

Slide 1Today: Finish Vibrations and Waves (Ch 19) Sound (Ch 20) Slide 2 Preliminaries What is the origin of sound? Vibrations of objects, e.g. of a string, of a reed, of…