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10 questions
Sound is produced by -----
Heat energy
Low temperatures
Vibrations
Friction
A wave that requires a medium to travel
mechanical wave
chemical wave
electromagnetic wave
pitch
A wave in which the direction of vibration of medium is in the same direction as that in which the wave is traveling
longitudinal wave
ocean wave
transverse wave
mechanical wave
The number of wavelengths that pass a point each second
frequency
wavelength
pitch
amplitude
The unit for measuring frequency is the ---
joule
hertz
gram
newton
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