Question

children under the age of five and some Animals such as dogs can hear sound upto ____ khz​

Answer 1

Answer:

20 khz

_____________________

Explanation:

Answer 2

Answer:

Children under the age of five and some animals, such as dogs can hear up to 25 kHz (1 kHz = 1000 Hz). As people grow older their ears become less sensitive to higher frequencies. Sounds of frequencies below 20 Hz are called infrasonic sound or infrasound.