Question

Differentiate between infrasonic sound and ultrasonic sound.​

Answer 1

The sounds of frequency less than 20Hz are called infrasonics. The infrasonic sounds have below the lower limit of human hearing. The sound of frequency more than 20,000Hz are called ultrasonics. ultrasonic sounds have a frequency above the upper limit of human hearing

Answer 2

Infrasonic sounds are sounds with frequency below 20Hz.

Ultrasonic sounds are sounds with frequency above 20000Hz or 20kHz.