Question

2. Sound produced by an object 'A' can't be heard by human beings, but
same sound can be heard and produced by bats. Dogs, monkey and deer

can also hear that sound.

A) Which type of Sound is produced by object 'A'? B) What is the frequency of such type of sound ?

C) Why human beings can't hear that sound?

​

Answer 1

Answer:

Animals like dogs, whales, bats, dolphins, etc. can hear sounds of frequencies more than 20,000 Hz, i.e., ultrasounds. These sounds are inaudible to humans. However, they are important for these animals as it helps them to locate prey and escape from obstacles.