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

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

1 Answer

Answer :

A. Ultrasonic
by

Related questions

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).

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

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.

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 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.

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

Ultrasonic waves are those sound waves having frequency

Description : Ultrasonic waves are those sound waves having frequency

Last Answer : More than 20 kilohertz

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.

A porous material is far more efficient at high than low frequency absorption. How to improve sound absorption at lower frequencies using this absorber? A. Increase the thickness B. Decrease the thickness C. Mount with and airspace behind D. Both A and C above

Description : A porous material is far more efficient at high than low frequency absorption. How to improve sound absorption at lower frequencies using this absorber? A. Increase the thickness B. Decrease the thickness C. Mount with and airspace behind D. Both A and C above

Last Answer : D. Both A and C above

Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes break the sound barrier? -Physics

Description : Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes break the sound barrier? -Physics

Last Answer : Yes and no. It depends on the material you are in. In order to keep things from traveling into the past, and thereby preserve local conservation of mass-energy, and thereby prohibit the universe ... eye, it is detected by cameras and serves as an important tool for scientists studying cosmic rays.

A supersonic plane flies at the speed (a) Less than the speed of the sound (b) Of sound (c) Greater than the speed of the sound (d) Of light

Description : A supersonic plane flies at the speed (a) Less than the speed of the sound (b) Of sound (c) Greater than the speed of the sound (d) Of light

Last Answer : Ans:(c)

Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Description : Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Last Answer : (3) greater than the speed of sound Explanation: The regimes of flight are subsonic, transonic, supersonic and hypersonic. Vehicles that fly at supersonic speeds are flying faster than the speed of sound. The speed of sound is about 768 miles per hour (1,236 kilometers per hour) at sea level.

Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Description : Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Last Answer : (3) greater than the speed of sound Explanation: Supersonic travel is a rate of travel of an object that exceeds the speed of sound (Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) ... this speed is approximately 344 m/s, 1,125 ft/s, 768 mph, 667 knots, or 1,235 km/h.

What is affected by the distance between the listener and the source of the sound because the intensity varies inversely with the square of the distance? A. Volume B. Pitch C. Loudness D. Frequency

Description : What is affected by the distance between the listener and the source of the sound because the intensity varies inversely with the square of the distance? A. Volume B. Pitch C. Loudness D. Frequency

Last Answer : C. Loudness

In acoustics, _____ is the apparent change in frequency or pitch when a sound source moves either toward or away from a listener. A. flanking B. reverberation C. Doppler effect D. echo

Description : In acoustics, _____ is the apparent change in frequency or pitch when a sound source moves either toward or away from a listener. A. flanking B. reverberation C. Doppler effect D. echo

Last Answer : C. Doppler effect

What is the frequency of a 2-cm sound wave in sea water at 25˚C? A. 76 kHz B. 76 Hz C. 76 MHz D. 76 mHz

Description : What is the frequency of a 2-cm sound wave in sea water at 25˚C? A. 76 kHz B. 76 Hz C. 76 MHz D. 76 mHz

Last Answer : A. 76 kHz

The midrange frequency range of sound is from A. 256 to 2048 Hz B. 2048 to 4096 Hz C. 512 to 2048 Hz D. 16 to 64 Hz

Description : The midrange frequency range of sound is from A. 256 to 2048 Hz B. 2048 to 4096 Hz C. 512 to 2048 Hz D. 16 to 64 Hz

Last Answer : A. 256 to 2048 Hz

Give reason: Ultrasonic sounds have high frequency.

Description : Give reason: Ultrasonic sounds have high frequency.

Last Answer : Ultrasonic sounds have high frequency because it has high energy.

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

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.

Answer the following S. No Statement Chose the correct answer OR Fill-in-the-blanks 1 Fyrite measures CO2, O2 and SO2 True/False 2 Ultrasonic Flow Meter uses the principle of____& ____ Fill in the blanks 3 Non Contact Infrared Thermometer cannot measure temperature of objects placed in hazardous places True/False 4 To measure the RPM of a Flywheel, ______ type of RPM meter is used and for a visible shaft-end _______ type of RPM meter is used. Fill in the blanks 5 In a switch yard, _____ instrument is used to identify the loose joints and terminations Fill in the blanks 6 Every Designated Consumer shall have its first energy audit conducted by ________ Energy Auditor within ______ months of

Description :  Answer the following S. No Statement Chose the correct  answer OR Fill-in-the-blanks 1 Fyrite measures CO2, O2 and SO2 True/False 2 Ultrasonic Flow Meter uses the principle of____& ____ Fill in the ... of RPM  meter is used and for a visible shaft-end _______ type of  RPM meter is used.

Last Answer : Sr  No Statement Chose the correct  answer OR Fill-in-the-blanks Solution 1 Fyrite measures CO2, O2 and  SO2 True/False False 2 Ultrasonic Flow Meter uses the  principle of____& ____ ... ]  10 In a gasification system the  reduction zone is above the  combustion zone True/False False

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

At what ultrasonic frequency will gasoline atomize?

Description : At what ultrasonic frequency will gasoline atomize?

Last Answer : answer:I don't know the answer to your question, but I will be watching the newspapers for news of the explosion. I wouldn't want to use electrical equipment (such as the ultrasonic humidifier you mention) ... could level a house. So be careful, whatever you do. Welcome to Fluther, for now, anyway

What is the frequency of ultrasonic waves? -General Knowledge

Description : What is the frequency of ultrasonic waves? -General Knowledge

Last Answer : Ultrasonic wave is defined as “inaudible sound with high frequency for human” the frequency of which generally exceeds 20 kHz. These days, sound wave which is not intended to be heard is also called ultrasonic wave.

What is the frequency of ultrasonic waves? -General Knowledge

Description : What is the frequency of ultrasonic waves? -General Knowledge

Last Answer : Ultrasonic is the sound above human hearing range. Human can hear maximum up to a frequency of 20 KHz. Ultrasonic frequencies are above 20 KHz. Ultrasonic waves are used to measure level of liquids and solid objects in industries.

What is the frequency of ultrasonic waves? -General Knowledge

Description : What is the frequency of ultrasonic waves? -General Knowledge

Last Answer : Ultrasonic wave is defined as “inaudible sound with high frequency for human” the frequency of which generally exceeds 20 kHz. These days, sound wave which is not intended to be heard is also called ultrasonic wave.

What is the frequency of ultrasonic waves? -General Knowledge

Description : What is the frequency of ultrasonic waves? -General Knowledge

Last Answer : Ultrasonic wave is defined as “inaudible sound with high frequency for human” the frequency of which generally exceeds 20 kHz. These days, sound wave which is not intended to be heard is also called ultrasonic wave.

The range of frequency of ultrasonic wave.

Description : The range of frequency of ultrasonic wave.

Last Answer : Greater than 20 KHz

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.

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

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.

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.

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.

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 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 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 term describes sounds capable of being heard by the human ear?

Description : What term describes sounds capable of being heard by the human ear?

Last Answer : Sonics.

I can damage objects by force, but I have no arms. I make sound only when I am amplified. I cannot be seen, only felt and heard. What am I? -Riddles

Description : I can damage objects by force, but I have no arms. I make sound only when I am amplified. I cannot be seen, only felt and heard. What am I? -Riddles

Last Answer : Wind.

A device that converts high frequency current into electromagnetic wave. A. Antenna B. Loudspeaker C. Microphone D. Transducer

Description : A device that converts high frequency current into electromagnetic wave. A. Antenna B. Loudspeaker C. Microphone D. Transducer

Last Answer : A. Antenna

Deemphasis in the receiver in effect attenuates modulating signal components and noise in what frequency range? A. dc B. low C. intermediate D. high

Description : Deemphasis in the receiver in effect attenuates modulating signal components and noise in what frequency range? A. dc B. low C. intermediate D. high

Last Answer : D. high

What type of balun (balanced-to-unbalanced) is used in high frequency applications? A. Transformer type balun B. A specially configured coaxial transmission line C. A specially configured parallel-wire line D. A λ/2 transformer balun

Description : What type of balun (balanced-to-unbalanced) is used in high frequency applications? A. Transformer type balun B. A specially configured coaxial transmission line C. A specially configured parallel-wire line D. A λ/2 transformer balun

Last Answer : B. A specially configured coaxial transmission line

What is the frequency range of an aircraft’s Very High Frequency (VHF) communications? A. 118.000 MHz to 136.975 MHz (worldwide up to 151.975 MHz) B. 108.000 MHz to 117.95 MHz C. 329.15 MHz to 335.00 MHz D. 2.0000 MHz to 29.999 MHz

Description : What is the frequency range of an aircraft’s Very High Frequency (VHF) communications? A. 118.000 MHz to 136.975 MHz (worldwide up to 151.975 MHz) B. 108.000 MHz to 117.95 MHz C. 329.15 MHz to 335.00 MHz D. 2.0000 MHz to 29.999 MHz

Last Answer : A. 118.000 MHz to 136.975 MHz (worldwide up to 151.975 MHz)