Bats have no eyes still they can ascertain distances, directions, nature and size of the objects. Explain why.
Q. Bats have no eyes still they can ascertain distances, directions, nature and size of the objects. Explain why.
Ans. Bats have special types of wings. When they fly they produce ultrasonic waves. These waves are received by the ears of bat after they have been reflected by the object. The ears of the bat are so sensitive and trained that they not only get information of distance of the obstacle but also that of the nature of the reflecting surface.
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