9th Class Science Sound Question Bank 9th CBSE Science Sound

  • question_answer
      How do bats use ultrasound to catch a prey?                    

    Answer:

                      Bats emit high pitched ultrasonic squeaks while flying and listen to the echoes produced by the reflection of their squeaks from the prey and returned to bat's ear as shown in figure. The nature of reflections tells the bat where the obstacle or prey is and what it is like.


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