What is infrasonic or subsonic sound?

What is infrasonic or subsonic sound?
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1 Answer

Answer :

Sounds of frequency below 20Hz are called infrasonic sound or subsonic sound.
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Related questions

The sound produced by a bat is – (1) audible (2) subsonic (3) infrasonic (4) ultrasonic

Description : The sound produced by a bat is – (1) audible (2) subsonic (3) infrasonic (4) ultrasonic

Last Answer : (4) ultrasonic Explanation: Although bats use echolocation to detect their prey, and find their way around in the dark, the sounds which they emit are 'ultrasonic', which is another way of ... (audible) sound based on differences in physical properties, only the fact that humans cannot hear it.

The sound produced by a bat is– (1) audible (2) subsonic (3) infrasonic (4) ultrasonic

Description : The sound produced by a bat is– (1) audible (2) subsonic (3) infrasonic (4) ultrasonic

Last Answer : ultrasonic

What is the difference between ultrasonic & subsonic sound ?

Description : What is the difference between ultrasonic & subsonic sound ?

Last Answer : I think they're two completely different things.. Subsonic is any speed lower than the speed of sound (so you could say aircraft flight at airspeeds lower than the speed of sound in air ... frequency greater than the upper limit of human hearing (Ultrasonic is an adjective referring to ultrasound).

What is the high frequency sound that cannot be heard by the human ear? A. Ultrasonic B. Transonic C. Subsonic D. Supersonic

Description : What is the high frequency sound that cannot be heard by the human ear? A. Ultrasonic B. Transonic C. Subsonic D. Supersonic

Last Answer : A. Ultrasonic

Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Description : Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Last Answer : (2) ultrasonic sound waves Explanation: The reason that bats use ultrasound is because it has such a high frequency and it has a low diffraction or it bends less. They use this sound to do a ... come faster in a particular area than the rest of the sounds then they know that something is near.

Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Description : Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Last Answer : (2) ultrasonic sound waves Explanation: The reason that bats use ultrasound is because it has such a high frequency and it has a low diffraction or it bends less. They use this sound to do a ... come faster in a particular area than the rest of the sounds then they know that something is near.

The term "infrasonic" applied to sound refers to sound waves below - (1) 200 Hz (2) 20000 Hz (3) 20 Hz (4) 0 Hz

Description : The term "infrasonic" applied to sound refers to sound waves below - (1) 200 Hz (2) 20000 Hz (3) 20 Hz (4) 0 Hz

Last Answer : (3) 20 Hz Explanation: The term "infrasonic" applied to sound refers to sound waves below the frequencies of audible sound, and nominally includes anything under 20Hz.

Sound of frequency below 20 Hz is called ______. (1) audio sounds (2) infrasonic (3) ultrasonic (4) supersonics

Description : Sound of frequency below 20 Hz is called ______. (1) audio sounds (2) infrasonic (3) ultrasonic (4) supersonics

Last Answer : (2) infrasonic Explanation: The term "infrasonic" applied to sound refers to sound waves below the frequencies of audible sound and nominally includes anything under 20 Hz.

Bats can sense obstacles because they produce (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Description : Bats can sense obstacles because they produce (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Last Answer : ultrasonic sound waves

With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the (A) Velocity increases (B) Pressure decreases (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the (A) Velocity increases (B) Pressure decreases (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

The velocity for subsonic flow in a pipeline (A) Increases in the downstream direction (B) Is constant (C) Decreases in the downstream direction (D) Is independent of the area of flow

Description : The velocity for subsonic flow in a pipeline (A) Increases in the downstream direction (B) Is constant (C) Decreases in the downstream direction (D) Is independent of the area of flow

Last Answer : (A) Increases in the downstream direction

The owl can see most clearly in total darkness because – (1) it has squint eyes (2) it has large eyes with orbs directed forward, giving it binocular sight (3) it has light bulbs in its eyes provided by nature (4) it produces infrasonic sounds

Description : The owl can see most clearly in total darkness because – (1) it has squint eyes (2) it has large eyes with orbs directed forward, giving it binocular sight (3) it has light bulbs in its eyes provided by nature (4) it produces infrasonic sounds

Last Answer : (2) it has large eyes with orbs directed forward, giving it binocular sight Explanation: Because of their eyes, an owl can see much better in the dark than we can. Owls have very large eyes which ... are able to see their prey in a three-dimensional manner. However, an owl's eye cannot rotate.

The owl can see most clearly in total darkness because – (1) it has squint eyes (2) it has large eyes with orbs directed forward, giving it binocular sight (3) it has light bulbs in its eyes provided by nature (4) it produces infrasonic sounds

Description : The owl can see most clearly in total darkness because – (1) it has squint eyes (2) it has large eyes with orbs directed forward, giving it binocular sight (3) it has light bulbs in its eyes provided by nature (4) it produces infrasonic sounds

Last Answer : (2) it has large eyes with orbs directed forward, giving it binocular sight Explanation: Because of their eyes, an owl can see much better in the dark than we can. Owls have very large eyes which ... are able to see their prey in a three-dimensional manner. However, an owl's eye cannot rotate.

A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an (1) Audible wave (2) Infrasonic wave (3) Ultrasonic wave (4) Microwave

Description : A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an (1) Audible wave (2) Infrasonic wave (3) Ultrasonic wave (4) Microwave

Last Answer : (1) Audible wave

Bats detect the obstacles in their path by receiving the reflected ______. a) infrasonic waves c) ultrasonic waves b) electromagnetic waves d)radio waves

Description : Bats detect the obstacles in their path by receiving the reflected ______. a) infrasonic waves c) ultrasonic waves b) electromagnetic waves d)radio waves

Last Answer : c) ultrasonic waves

A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an (1) Audible wave (2) Infrasonic wave (3) Ultrasonic wave (4) Microwave

Description : A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an (1) Audible wave (2) Infrasonic wave (3) Ultrasonic wave (4) Microwave

Last Answer : Audible wave

The owl can see most clearly in total darkness because (1) it has squint eyes (2) it has large eyes with orbs directed forward, giving it binocular sight (3) it has light bulbs in its eyes provided by nature (4) it produces infrasonic sounds

Description : The owl can see most clearly in total darkness because (1) it has squint eyes (2) it has large eyes with orbs directed forward, giving it binocular sight (3) it has light bulbs in its eyes provided by nature (4) it produces infrasonic sounds

Last Answer :  it has large eyes with orbs directed forward, giving it binocular sight