Amplitude and Sound Waves

What is the definition of amplitude in relation to sound waves?

• The measure of the maximum displacement of a particle from its equilibrium position in a sound wave.

• The measure of the speed of a sound wave.

• The measure of the frequency of a sound wave.

• The measure of the wavelength of a sound wave.

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How is amplitude related to the loudness of a sound?

• Amplitude is directly related to the loudness of a sound.

• Amplitude is inversely related to the loudness of a sound.

• Amplitude is only related to the pitch of a sound.

• Amplitude has no effect on the loudness of a sound.

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Higher amplitude means a louder sound means...

• Higher amplitude means a softer sound.

• Higher amplitude means a higher pitch.

• Higher amplitude has no effect on sound volume.

• Higher amplitude means a louder sound.

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What happens to the amplitude of a sound wave if the sound becomes softer?

• The amplitude decreases.

• The amplitude fluctuates.

• The amplitude stays the same.

• The amplitude increases.

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Explain the relationship between amplitude and energy of a sound wave.

• The amplitude of a sound wave is inversely proportional to its energy.

• The amplitude of a sound wave is directly proportional to its energy.

• The amplitude of a sound wave has no effect on its energy.

• The amplitude of a sound wave is equal to its energy.

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What is the range of human hearing in terms of amplitude?

• 0 dB to 120 dB

• 50 dB to 170 dB

• 20 dB to 140 dB

• -10 dB to 110 dB

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How does the amplitude of a sound wave affect the distance it can travel?

• The greater the amplitude, the shorter the distance the sound wave can travel.

• Increasing the amplitude of a sound wave increases the distance it can travel.

• The amplitude of a sound wave directly determines the distance it can travel.

• The amplitude of a sound wave does not affect the distance it can travel.

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What is the difference between amplitude and frequency in sound waves?

• Amplitude is the pitch of a sound wave, while frequency is the intensity of the sound.

• Amplitude is the distance between two sound waves, while frequency is the duration of the sound.

• Amplitude is the maximum displacement of a sound wave, while frequency is the number of cycles of the wave per second.

• Amplitude is the speed at which sound waves travel, while frequency is the loudness of the sound.

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How does the amplitude of a sound wave affect the size of the vibrations that produce the sound?

• A higher amplitude corresponds to larger vibrations, while a lower amplitude corresponds to smaller vibrations.

• A higher amplitude corresponds to the same size vibrations as a lower amplitude.

• The amplitude of a sound wave does not affect the size of the vibrations that produce the sound.

• A higher amplitude corresponds to smaller vibrations, while a lower amplitude corresponds to larger vibrations.

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