Question

we cannot listen screaming of bat.why?

Answer 1

The frequency of their scream is greater than 20000 Hz that is a ultrasonic sounds and we can not hear the ultrasonic sounds(which is greater than,20000 Hz.)

Answer 2

The human cannot listen to screaming of the bat because it is ultrasonic.

Explanation:

• The sounds with a frequency below 16Hz are bearable by human beings.
• If the frequency of the sound is above 16Hz, then it is not audible to the human beings.
• Based upon the frequency of the sound it is classified as follows:

1. Infrasonic: Sound with a frequency below 16Hz.
2. Ultrasonic: Sound with a frequency above 16Hz.

• Humans can hear infrasonic sounds, whereas cannot hear the ultrasonic sound.
• As the screaming sound of bat has a frequency above 16Hz, it is considered as ultrasonic and thus human cannot listen to it.

Learn more about such concept

Explain how bats use ultrasound to catch a prey

https://brainly.in/question/2735055

State 2 conditions for echo to be heard . bats cannot see still they catch their prey . explain

https://brainly.in/question/80562