8) Explain the term frequency of sound wave.
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Frequency is the measurement of the number of times that a repeated event occurs per unit of time. The frequency of wave-like patterns including sound, electromagnetic waves (such as radio or light), electrical signals, or other waves, expresses the number of cycles of the repetitive waveform per second.
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As a wave is moving through a medium, medium particles oscillate in their mean location. The rate of oscillations per second is called wave frequency.
- SI Unit is Hertz(Hz).
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