The ____ of a sound wave is expressed in hertz (Hz).

frequency

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amplitude

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wavelength

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time period

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Solution

The correct option is A
frequency

The frequency of a sound wave is expressed in hertz (Hz). Amplitude and wavelength are measured in metre (m). Time period is measured in second (s).

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The ____ of a sound wave is expressed in hertz (Hz).

The correct option is A frequency The frequency of a sound wave is expressed in hertz (Hz). Amplitude and wavelength are measured in metre (m). Time period is measured in second (s).

The correct option is A
frequency

The frequency of a sound wave is expressed in hertz (Hz). Amplitude and wavelength are measured in metre (m). Time period is measured in second (s).