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12 questions from this quiz
Vibrating objects
One vibration per second
20 Hz to 20,000 Hz
Ultrasound
It requires matter to travel through
Diffraction
Parallel to wave direction
Areas of higher pressure & density
Greater amplitude = louder sound
Sound needs a medium to travel
Solids
343 m/s at 20°C20°C20°C, 331 m/s at 0°C0°C0°C
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