Chapter 2 quiz

Chapter 2 quiz - CD1025 Hearing Science Name Allison Wenger...

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Unformatted text preview: CD1025 Hearing Science Name: Allison Wenger “Pop” Quiz 2 Unit: Acoustics 1. Sound propagates well in many substances, whether solid, liquid, or gas, although the propagation of sound may differ among them. On the other hand, outer space is not user-friendly for sound communication because there is no medium * through which the disturbance called “sound” can propagate. {*No, the answer is not “air”.} 2. The phase of a cycle of a sound waves wherein the density of the molecules gets all bunched up is known as condensation * or the crest ** of the wave. {*Looking for words other than “compression” and “peak”.} 3. Wave propagation wherein the particles vibrate in the same direction as the direction of the motion of the wave front is known as longitudinal propagation. 4. Standing across the street from a friend, I must raise my voice to be understood. This condition roughly approximates a sound field (call the “free” far field) in which my mouth emits free progressive...
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This note was uploaded on 05/18/2011 for the course CSD 1025 taught by Professor Durrant during the Spring '11 term at Pittsburgh.

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