As Cecilia is getting ready for the orchestra performance in which she is about to participate,she takes time to tune her violin.She listens carefully to the pitch of each string,which is indicated by the __________ of the sound wave it produces,to determine if she needs to make an adjustment in the instrument.
A) wavelength
B) frequency
C) timbre
D) amplitude

Question

Quizplus · Accepted Answer

The pitch of a sound wave is determined by its frequency, which is the number of vibrations or cycles per second. When Cecilia tunes her violin, she listens for the pitch of each string to determine if it matches the correct frequency, and makes adjustments as needed. Wavelength (A) is related to frequency, but describes the physical distance between two corresponding points on a wave rather than the pitch of the sound. Timbre (C) refers to the quality of a sound, which is determined by the harmonic content of the wave, and amplitude (D) refers to the intensity or loudness of a sound, which is determined by the height of the wave. While these factors may also play a role in tuning an instrument, the key factor for determining the proper pitch is frequency.

As Cecilia Is Getting Ready for the Orchestra Performance in Which