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| Question | Answer |
|---|---|
| pitch | property of sound that depends on frequency |
| ultrasonic | sound above the range of human hearing (20,000hz) |
| infrasonic | sound below the range of human hearing (20hz) |
| Doppler effect | change in sound or light from an uneven surface |
| intensity of sound | amount of energy carried by a wave; indicated by the amplitude of a wave |
| acoustics | science of sound and its interactions |
| sound quality | blending of pitches to produce sound; timbre |
| timbre | blending of pitches to produce sound; sound quality |
| fundamental tone | note produced at the lowest frequency at which a standing wave occurs |
| overtone | tone produced at frequencies higher than the fundamental at which a standing wave occurs |
| sonar | technique of using sound waves to measure distance; sound navigation and ranging. |