Your mother's and sister's voices have the same pitch and loudness, but you can tell them apart on the telephone. This is due to the perceptual quality or ________ of their voices.
A) timbre
B) wavelength
C) frequency
D) amplitude

Question

Quizplus · Accepted Answer

Timbre refers to the unique quality of a sound, which allows us to distinguish it from other sounds even if they have the same pitch and loudness. In this case, the timbre of your mother's voice is likely different from that of your sister's, allowing you to tell them apart on the phone. Frequency and amplitude are physical properties of sound waves, while wavelength is related to frequency.

Your Mother's and Sister's Voices Have the Same Pitch and Loudness