HARD
8th CBSE
IMPORTANT
Earn 100

Pooja and her friends collected the information about the audible range for different animals. Which of these animals could communicate with each other at a frequency greater than 70,000 hertz so that they are not heard by their predators?

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12.5% studentsanswered this correctly

Important Questions on Sound

HARD
8th CBSE
IMPORTANT
THINK ABOVE AND BEYOND SCIENCE PRACTICE BOOKS>Chapter 13 - Sound>Exercise>Q 16
During the class prize-giving ceremony, Anand clapped his hands hard while Kumar clapped his hands softly. Everybody could hear Anand's clapping while only a few could hear Kumar's clapping. This was because the sound produced by Anand was of