Question

What is ultrasound? Which animals can hear the ultrasound?​

Answer 1

Answer:

Ultrasound is very high-pitched sound. We cannot hear ultrasound (it has a frequency above 20,000 Hz, the upper limit of human hearing). However animals, such as dogs, bats, and dolphins, can hear these very high-pitched sounds. Bats use ultrasound to 'see' trees and insects at night.

Answer 2

Answer:

sound of frequency more than 20000 Hertz which cannot be heard by human ears is called ultrasound.

animals who can hear this type of sound are:- bats, dogs and dolphins.