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1. Which of the following objects will produce sound?A. soft objectsC. vibrating objectsC. radio stationsD. objects under pressure2. Which of the following best describes a high frequency sound? It hasA. low pitchB. low energyC. high pitchD. A and C3. Compared to a thin string of the same length and tightness a thick string producessounds ofA. lower pitchB. higher pitchC. the same pitchD. lower then higher pitch4. A sound wave is a __.A. longitudinal waveC. standing waveB. transverse waveD. shock waveWhich of the following is not capable of transmitting sound?A airB. steelC. waterD. a vacuum |
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Answer» Answer: 1) Vibrating object 2) HIGH pitch 3) Lower pitch 4) 5) a vacuum |
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