Question

What are ultrasonic waves?Name one animal which emits ultrasonic waves and explain how it uses the waves?What is the role of ultrasonic waves in medical science.

Answer 1

The waves whose frequency are more than 20,000 herz are known as ultrasonic wave.

Ultrasonic waves produce by bats which help in seeing the surrounding and prey their food.

Ultrasonic waves are used in medical science in instruments ultrasonography it helps in observing internal organ.

Answer 2

ultrasonic waves have highest frequency
it is sound waves
this sound cannot be detected
since our internal pinna auditory canal can't receive it
whales emmit such