Sound Waves Review

Sound intensity is defined as:

• The wavelength of a sound wave

• The source of a sound wave

• The energy of a sound wave

• The frequency of a sound wave

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The (a)   is a unit of sound intensity.

Which of the following images shows a change in frequency?

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Which of the following images shows a change in amplitude?

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What is the wavelength of a wave?

• The length of one wave cycle.

• The height of the wave.

• The number of waves that pass through a certain distance/time.

• The loudness of a wave.

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Draw in one example of a wavelength on this wave model.

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Draw a model of a wave that is quiet and low-pitch.

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Draw a model of a sound wave that is loud and high-pitch.

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Which option best describes the wave shown here?

• Quiet and high-pitch

• Loud and high-pitch

• Quiet and low-pitch

• Loud and low-pitch

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Noise-induced hearing loss depends on what two factors?

• Loudness of sound and length of exposure

• Loudness of sound and the wavelength of the sound wave

• Pitch of sound and the length of exposure

• Loudness of sound and pitch of sound