Question

by applying your knowledge suggest some ways to detect ultrasonic sound?​

Answer 1

actually it means cannot hear ultrasonic sound we can only hear Sonic sound

some animals such as bats can hear ultrasonic sound

and this is coming under the topic of Physics where the sounds are divided into three Sonic ultrasonic. and........

your question is absolutely incorrect as you know we cannot do ultrasonic for asking us to use our common sense