A guitar creates sound waves of different pitches when the strings are plucked. How do the sound waves of the higher-pitched notes compare to the sound waves of the lower-pitched notes?
A
The sound waves of notes with higher pitches travel at slower speeds.
B
The sound waves of notes with higher pitches have lower amplitudes.
D
The sound waves of notes with higher pitches have higher
frequencies.
The sound waves of notes with higher pitches have higher
wavelengths.