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| the most common unit used to measure loudness |
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| an observed change in the frequency of a wave when the source or observer is moving |
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| the process of using reflected sound waves to find objects; used by animals such as bats |
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Definition
| the combination of two or more waves that results in a single wave |
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Definition
| the extent to which a sound can be heard |
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Definition
| a physical environment in which phenomena occur |
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Definition
| a sound that consists of random mix of frequencies |
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Definition
| a measure of how high or low a sound is perceived to be, depending on the frequency of the sound wave |
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Definition
| a phenomenon that occurs when two objects naturally vibrate at the same frequency |
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| the explosive sound heard when a shock wave from an object traveling faster than the speed of sound reaches a person's ears |
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Definition
| the result of the blending of several pitches through interference |
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Definition
| a longitudinal wave that is caused by vibrations and that travels through a material medium |
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Definition
| a pattern of vibration that stimulates a wave that is standing still |
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