The human ear responds to frequencies from approximately ________ Hz.

A) 10 to 100,000
B) 2 to 200,000
C) 1 to 10,000
D) 20 to 20,000

Frequencies

The rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves) or in an electromagnetic field (as in radio waves and light), usually measured in hertz.

Hz

Hertz, a unit of frequency in the International System of Units (SI) that measures the number of cycles per second of any periodic event.