You may use a calculator. A singer moves a note up one octave. How has the sound changed? O The wavelength has increased. O The speed has increased. The amplitude has decreased. O The frequency has increased.
You may use a calculator. A singer moves a note up one octave. How has the sound changed? O The wavelength has increased. O The speed has increased. The amplitude has decreased. O The frequency has increased.
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Transcribed Image Text:**You may use a calculator.**
**A singer moves a note up one octave. How has the sound changed?**
1. O The wavelength has increased.
2. O The speed has increased.
3. • The amplitude has decreased.
4. O The frequency has increased.
In this question, the correct answer is typically that the frequency has increased. When a note is moved up one octave, its frequency doubles. While the displayed answer is "The amplitude has decreased," this isn't a typical result of moving a musical note up an octave but might have been selected inadvertently. Amplitude affects the loudness of the sound, whereas frequency affects the pitch, which is described by moving up one octave.
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