Chapter 6 ACOUSTICS, ELEMENTS OF ULTRASOUNDS AND APPLICATIONS
| SOUND WAVES Speed of sound waves. Sound intensity. Standing Sound Waves and Normal Modes. Resonance and Sound. Interference of waves. Beats. The Doppler effect. Shock waves. |
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| WAVE OPTICS The principle of Fermat. Reflexion and refraction of sound waves. Diffraction of waves. The principle of Huygens-Fresnel. The sound wave attenuation. The reverberation of sound. ELEMENTS OF ULTRASOUNDS AND APPLICATIONS Definitions. The magnetostriction effect and the magnetostrictive generator. The inverse piezoelectric effects and the electrostrictive generator. Phenomena specific to ultrasound. Cavitation. Passive and active applications of ultrasounds. |
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| Superoposition of waves (harmonical oscillations). Beats. Perpendicular harmonic oscillations with same and different frequencies. Lissajous figures. Download software: - Soudcard Oscilloscope/Signal generator (or local download) |
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| Additional bibliography H. D. Young, R. A. Freedman - Sears and Zemansky's University Physics with Modern Physics Technology Update (lb. engleza), Pearson - 2013 |
pg.509-551
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