Examlex
Which of the following statements is correct?
Purity
Refers to the state of being free from contaminants or pollutants.
Wave Amplitude
The height of a wave from its mean or rest position to its peak, reflecting the energy or intensity of the wave.
Sound
Waves that propagate through the air or another carrier and can be detected by the ears of people or animals.
Wave Form
A graphical representation of the shape, amplitude, or frequency of a wave, especially as it relates to sound or electromagnetic waves.
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