Question

Justify the given statements: (a) Sound becomes feeble with increase in distance from the source. (b) Many animals produce sound that we cannot hear. (c) We cannot hear someone walking on the carpet

Answer 1

Answer:

b.many animals produce sound in that some sounds we cannot hear because the sounds made by them they can hear we can't hear due to they make less sound that we cannot hear

Answer 2

a) Sound feebles with increase in distance because the intensity of the loudness of the sound becomes less.

b)Many animals produce sound that we cannot hear because the frequency is below our hearing range (infrasound).

c) Carpets are soft and as we know soft materials are bad conducted of sound. Thus the carpet tends to absorb the sound produced thus we are not able to hear any sound.

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