Ch17_v3 - Chapter 17 Waves II The physics of sound waves is...

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1 Chapter 17 The physics of sound waves is the basis of many fields of research, ranging from physiology, acoustic engineering, aviation, paleontology, military science and biology. In this chapter we introduce fundamental concepts and explore the properties of sound waves. Waves- II 17- 1
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2 In this course, a sound wave is roughly defined as any longitudinal wave (particles moving along the direction of wave propagation). Sound Waves 17- Fig. 17-2 Wavefronts : surfaces over which the the oscillations due to the sound wave have the same value, e.g, at maximum crest. Rays : directed lines perpendicular to the wavefronts, indicate direction the direction of travel of the wavefronts Spherical waves Plane waves Particle motion
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