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Question 21 (1 point)
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Which of the following statements accurately describes the changes in sound waves associated with the Doppler Effect?
Question 21 options:
Sound waves experience a decrease in frequency when the source of the sound is moving towards the observer.
Sound waves experience an increase in frequency when the source of the sound is moving away from the observer.
When a sound source is stationary and the observer is moving towards it, there is no observable change in the sound waves.
Sound waves experience a decrease in frequency when the source of the sound is moving away from the observer.
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Which of the following statements accurately describes the changes in sound waves associated with the Doppler Effect?
Question 21 options:
Sound waves experience a decrease in frequency when the source of the sound is moving towards the observer.
Sound waves experience an increase in frequency when the source of the sound is moving away from the observer.
When a sound source is stationary and the observer is moving towards it, there is no observable change in the sound waves.
Sound waves experience a decrease in frequency when the source of the sound is moving away from the observer.
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GPT-4o mini
The correct statement that accurately describes the changes in sound waves associated with the Doppler Effect is:
**Sound waves experience a decrease in frequency when the source of the sound is moving away from the observer.**
This is because, as the sound source moves away from the observer, the sound waves are stretched, leading to a lower frequency (and thus a lower pitch) from the observer's perspective. Conversely, if the source moves towards the observer, the frequency experienced by the observer would increase.
**Sound waves experience a decrease in frequency when the source of the sound is moving away from the observer.**
This is because, as the sound source moves away from the observer, the sound waves are stretched, leading to a lower frequency (and thus a lower pitch) from the observer's perspective. Conversely, if the source moves towards the observer, the frequency experienced by the observer would increase.
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