Question

what sound can b heared?
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Answer 1

Answer:The sound with frequency from 20 Hz to 20,000 Hz can be heard.

Please mark as BRAINLIEST

Answer 2

Answer:

Humans can hear sounds between 20 to 20000 heartz.( heartz is the S.I unit of frequency.

Infrasonic sounds= below 20 heartz(Hz).

Audible sounds= 20 to 20000 Hz.

Ultrasonic sounds= above 20000hz.

Humans hear audible sounds.

Infrasonic sounds are produced by elephants, rhinoceros,etc

Ultrasonic sounds are produced by Bats ,dolphins ,etc.

Humans cannot hear infrasonic and ultrasonic sounds.

fact= an infant about 1 year old can hear ultrasonic sounds but this ability decreases with growth and stop at 20000hz.

Hope it helps you.....,☺