Question
An opera singer who is a baritone, lowers his pitch and raises his voice for a song. Which best describes how the resulting sound wave has changed? The sound wave will have:
a higher amplitude and lower frequency.
a lower amplitude and higher wavelength
a lower amplitude and higher frequency.
a higher amplitude and faster speed
Answers
Answered by
GPT-4o mini
When the baritone lowers his pitch and raises his voice, we can analyze the changes in terms of frequency, amplitude, and wavelength.
1. **Lowering the pitch** corresponds to a decrease in frequency. Therefore, if he lowers his pitch, the resulting sound wave will have a **lower frequency**.
2. **Raising his voice** usually means increasing the loudness, which corresponds to an increase in amplitude. So, when he raises his voice, the resulting sound wave will have a **higher amplitude**.
Putting this together: if the baritone lowers his pitch (lower frequency) and raises his voice (higher amplitude), the correct description of the resulting sound wave is:
**a higher amplitude and lower frequency.**
1. **Lowering the pitch** corresponds to a decrease in frequency. Therefore, if he lowers his pitch, the resulting sound wave will have a **lower frequency**.
2. **Raising his voice** usually means increasing the loudness, which corresponds to an increase in amplitude. So, when he raises his voice, the resulting sound wave will have a **higher amplitude**.
Putting this together: if the baritone lowers his pitch (lower frequency) and raises his voice (higher amplitude), the correct description of the resulting sound wave is:
**a higher amplitude and lower frequency.**
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