A given sound is inaudible to the human ear, if
A. its amplitude is too small.
B. its frequency is below 20 Hz.
C. its frequency is above 20 kHz.
D. it has any of the three characteristics listed above.
Answer:D
A given sound is inaudible to the human ear, if
A. its amplitude is too small. B. its frequency is below 20 Hz. C. its frequency is above 20 kHz. D. it has any of the three characteristics listed above.