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

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

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

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

What is infrasonic or subsonic sound?

Description : What is infrasonic or subsonic sound?

Last Answer : Sounds of frequency below 20Hz are called infrasonic sound or subsonic sound.

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.

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

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.

Which one of the following animals can hear ultrasonic sound? (1) Rat (2) Squirrel (3) Cat (4) Bat

Description : Which one of the following animals can hear ultrasonic sound? (1) Rat (2) Squirrel (3) Cat (4) Bat

Last Answer : (4) Bat Explanation: Ultrasound is a cyclic sound pressure wave with a frequency greater than the upper limit of the human hearing range. Ultrasound is thus not separated from "normal" (audible) sound based on differences in physical properties, only the fact that humans cannot hear it.

Which one of the following animals can hear ultrasonic sound ? (1) Rat (2) Squirrel (3) Cat (4) Bat

Description : Which one of the following animals can hear ultrasonic sound ? (1) Rat (2) Squirrel (3) Cat (4) Bat

Last Answer : Bat

What do dolphins, bat and porpoise produce ? a)ultrasound b)infrasound c)both i and ii d)audible sound

Description : What do dolphins, bat and porpoise produce ? a)ultrasound b)infrasound c)both i and ii d)audible sound

Last Answer : a)ultrasound

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

How does a bat make ultrasonic sound and why?

Description : How does a bat make ultrasonic sound and why?

Last Answer : Bats use their vocal tract to make ultrasonic sound the same waywe use our vocal tract to make audible sound. They use these for aform of SONAR navigation allowing them to "see" in total darkness.Also many insect eating bats can focus their ultrasonic sound touse it to stun their prey.

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.

Which sound-produced by a bat?

Description : Which sound-produced by a bat?

Last Answer : – Ultrasonic

What is the level of audible sound and audibility ?

Description : What is the level of audible sound and audibility ?

Last Answer : audible sound: The sound we hear is called audible sound. If the sound vibration is between 20 Hz and 20000 Hz then we hear it. The sound produced within this vibration range is called audible sound. ... can hear sounds generated within this range, sounds less than 20 Hz or more than 20000 Hz .

What are audible sound waves? (1) Having frequency less than 20 Hz (2) Having frequency between 20 Hz to 20000 Hz (3) Having frequency more than 20000 Hz (4) None of above

Description : What are audible sound waves? (1) Having frequency less than 20 Hz (2) Having frequency between 20 Hz to 20000 Hz (3) Having frequency more than 20000 Hz (4) None of above

Last Answer : (2) Having frequency between 20 Hz to 20000 Hz

Least audible sound for most of the human ear is – (1) 10.0 μ bar (2) 0.0002 μ bar (3) 0.005 μ bar (4) 5.0 μ bar

Description : Least audible sound for most of the human ear is – (1) 10.0 μ bar (2) 0.0002 μ bar (3) 0.005 μ bar (4) 5.0 μ bar

Last Answer : (2) 0.0002 μ bar Explanation: Least audible sound for most of the human ear is 2 x 10-5 pascal. The generally accepted standard range of audible frequencies is 20 to 20,000 Hz.

Least audible sound for most of the human ear is : (1) 10.0 µ bar (2) 0.0002 µ bar (3) 0.005 µ bar (4) 5.0 µ bar

Description : Least audible sound for most of the human ear is : (1) 10.0 µ bar (2) 0.0002 µ bar (3) 0.005 µ bar (4) 5.0 µ bar

Last Answer : 0.0002 µ bar

Ultrasonic waves are produced by making use of - (1) ferro magnetic material (2) ferri magnetic material (3) piezo electric material (4) pyro electrical material

Description : Ultrasonic waves are produced by making use of - (1) ferro magnetic material (2) ferri magnetic material (3) piezo electric material (4) pyro electrical material

Last Answer : (3) piezo electric material Explanation: In most applications, ultrasonic waves are generated by a transducer that includes a piezoelectric material (crystal) that converts electrical energy (electric current) to mechanical energy (sound waves).

The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Description : The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Last Answer : (3) They generate flashes of light

The waves used in sonography are – (1) Micro waves (2) Infra-red waves (3) Sound waves (4) Ultrasonic waves

Description : The waves used in sonography are – (1) Micro waves (2) Infra-red waves (3) Sound waves (4) Ultrasonic waves

Last Answer : (4) Ultrasonic waves Explanation: Sonography is an ultrasoundbased diagnostic imaging technique used for visualizing internal body structures including tendons, muscles, joints, vessels and internal organs for possible pathology or lesions.

The waves used in sonography are (1) Micro waves (2) Infra-red waves (3) Sound waves (4) Ultrasonic waves

Description : The waves used in sonography are (1) Micro waves (2) Infra-red waves (3) Sound waves (4) Ultrasonic waves 

Last Answer : Ultrasonic waves

The bats can fly in the dark because (1) they can see the objects in darkness (2) they have weak legs and are likely to be attacked by predators (3) they generate flashes of light (4) they generate ultrasonic sound waves

Description : The bats can fly in the dark because (1) they can see the objects in darkness (2) they have weak legs and are likely to be attacked by predators (3) they generate flashes of light (4) they generate ultrasonic sound waves

Last Answer : they generate ultrasonic sound waves

Which sound-produced by a bat? -Do You Know?

Description : Which sound-produced by a bat? -Do You Know?

Last Answer : ultrasonic sounds Bats produce ultrasonic sounds, which means that the sounds exist at frequencies higher than humans can hear. Humans can hear sounds from about 20 to 20,000 Hz.

Which type of sound is produced by a bat?

Description : Which type of sound is produced by a bat?

Last Answer : Ultrasonic

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

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

What is audible range ?

Description : What is audible range ?

Last Answer : The vibrational range within which we hear the sound we hear is called the amplitude range. Human hearing range is between 20 Hz - 20000 Hz . This means that people can hear sounds generated within this range, sounds less than 20 Hz or more than 20000 Hz .

What are the audible words ?

Description : What are the audible words ?

Last Answer : The sound we hear is called audible sound. If the sound vibration is between 20 Hz and 20000 Hz then we hear it. The sound produced within this vibration range is called audible sound.

What are audible words ?

Last Answer : The word that is pleasant to hear is called audible word.

The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as – (1) Audible sounds (2) Ultrasonics (3) Infrasonics (4) Megasonics

Description : The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as – (1) Audible sounds (2) Ultrasonics (3) Infrasonics (4) Megasonics

Last Answer : (1) Audible sounds Explanation: An audio frequency is characterized as a periodic vibration whose frequency is audible to the average human. It is the property of sound that most determines ... 000 Hz, although the range of frequencies individuals hear is greatly influenced by environmental factors.

The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as (1) Audible sounds (2) Ultrasonics (3) Infrasonics (4) Megasonics

Description : The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as (1) Audible sounds (2) Ultrasonics (3) Infrasonics (4) Megasonics

Last Answer : Audible sounds

Ultrasonic waves are those sound waves having frequency

Description : Ultrasonic waves are those sound waves having frequency

Last Answer : More than 20 kilohertz

Which of the following waves are diffracted by an obstacle of size 1 cm? (a) Light waves (b) Sound waves (c) Ultrasonic waves (d) X-rays

Description : Which of the following waves are diffracted by an obstacle of size 1 cm? (a) Light waves (b) Sound waves (c) Ultrasonic waves (d) X-rays

Last Answer : Ans:(c)

The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Description : The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Last Answer : (3) They generate flashes of light

What is the difference between normal sound and ultrasonic sounds?

Description : What is the difference between normal sound and ultrasonic sounds?

Last Answer : Normal sounds have low frequency where as ultrasonic sounds have high frequcncy.

For ultrasonic testing, which of the following statements is true? a) It is easy to identify all defects b) The equipment shall be calibrated before use c) The equipment cannot be automated d) Sound waves will not travel through copper

Description : For ultrasonic testing, which of the following statements is true? a) It is easy to identify all defects b) The equipment shall be calibrated before use c) The equipment cannot be automated d) Sound waves will not travel through copper

Last Answer : b) The equipment shall be calibrated before use

Fifth Generation Computers are (1) Data Processors (2) Knowledge Processors (3) Sound waves (4) Ultrasonic waves

Description : Fifth Generation Computers are (1) Data Processors (2) Knowledge Processors (3) Sound waves (4) Ultrasonic waves

Last Answer : Knowledge Processors

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.

Which of the following waves cannot be polarized? (1) Radio (2) Ultra violet (3) Infrared (4) Ultrasonic

Description : Which of the following waves cannot be polarized? (1) Radio (2) Ultra violet (3) Infrared (4) Ultrasonic

Last Answer : (4) Ultrasonic Explanation: Only transverse waves (such as radio, ultraviolet and infrared waves) can be polarized since their vibrations can potentially occur in all directions perpendicular to the direction of travel. It is therefore possible to confine the vibrations to a single plane.

Which of the following waves cannot be polarised? (1) Radio (2) Ultra violet (3) Infrared (4) Ultrasonic

Description : Which of the following waves cannot be polarised? (1) Radio (2) Ultra violet (3) Infrared (4) Ultrasonic

Last Answer : Ultrasonic

Why we cannot hear a sound when we bat our eyelashes?

Description : Why we cannot hear a sound when we bat our eyelashes?

Last Answer : Need answer

A baseball bat strikes a ball with a force of 30 newtons. If the ball was in contact with the bat for 1/10 of a second, what impulse did the ball receive?

Description : A baseball bat strikes a ball with a force of 30 newtons. If the ball was in contact with the bat for 1/10 of a second, what impulse did the ball receive?

Last Answer : ANSWER: 3 NEWTON-SECONDS

Do you consider it rude to be greeted with a nod instead of an audible "Hello"?

Description : Do you consider it rude to be greeted with a nod instead of an audible "Hello"?

Last Answer : It’s an acknowledgment even if slightly less gregarious than a verbal “hello.” I think men are more the nodding types, as a female I usually say ” Hello” or smile and say something like ” beautiful day.” Maybe head nodding is part of the strong and silent gig with some men. haha