Question

what is meant by ultra sonic and infra sonic sounds

Answer 1

ultrasonic sounds are the sounds which are above 20000 Hertz infrasonic are the sound beta below 20 Hertz

Answer 2

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$\underline\bold {Question : what \: is \: meant \: by \: ultra \: sonic \: and \: infra \: sonic \: sounds}$


↪ Sounds having frequency range below 20 Hz is called Infrasonic sounds.


▶ Example : Insects and Rhinoceros can hear Infrasonic Sounds.


↪ Sounds having frequency range above 20000 Hz or 20 kHz is called Ultrasonic Sounds.


▶ Example : Bats can produce and hear Ultrasonic sounds.



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