When Shyam enters his school, he hears the voice of an animal. He easily identifies the animal by hearing its sound.
a)Which characteristic of sound helps him in identifying the animal?
b)What will be the frequency of the sound produced by that animal?
c) What type of sound it is?

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Solution

a) Pitch or frequency of sound.
b) Within the range: 20 Hz to 20 kHz.
c) Audible sound.

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