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Assessment
What does amplitude measure in a sound wave?
The height of the wave
The frequency of the wave
The speed of sound
The wavelength of the wave
Which term describes the number of cycles of a wave that occur in one second?
Amplitude
Frequency
Wavelength
Velocity
What happens to the sound as the amplitude increases?
The sound becomes softer
The pitch changes
The sound becomes louder
The sound is absorbed more
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