Sounds with frequencies below the range of human hearing are referred to as
A) fundamental frequencies.
B) pure tones.
C) ultrasound.
D) infrasound.

Question

Quizplus · Accepted Answer

The correct term for sounds with frequencies below the range of human hearing is infrasound. Fundamental frequencies refer to the lowest frequency of a complex waveform, pure tones are sounds with a single frequency, and ultrasound refers to sounds with frequencies above the range of human hearing.

Sounds with Frequencies Below the Range of Human Hearing Are