Question

question 11 (2 points)
a sound waves _______ is the number of cycles or full wavelengths that pass through a point in a given time interval.
timbre
bandwidth
frequency
amplitude
question 12 (2 points)
which of the following statements is true of the nature of sound?
frequency is the tone saturation, or the perceptual quality, of a sound.
the amplitude of sound waves is inversely proportional to their loudness.
high - frequency sounds are perceived as having a low pitch and vice versa.
sound waves vary not only in frequency but also in amplitude.

Explanation:

For Question 11, frequency is defined as the number of cycles or full - wavelengths passing through a point in a given time interval. For Question 12, sound waves have properties of varying in both frequency and amplitude. Frequency is related to pitch and amplitude to loudness.

Answer:

Question 11: C. frequency
Question 12: D. Sound waves vary not only in frequency but also in amplitude.