Which word is more ultrasonic ?

1 Answer

Answer :

Ultrasonic or ultrasonic sound over 20,000 Hz .

Related questions

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

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).

Description : Explain how bats use ultrasonic waves to catch prey. -Science

Last Answer : Bats catch insects with the help of an advanced navigation system known as echolocation. They are known to emit high-frequency ultrasonic waves pitched at 20-100KHz. This is too high for the natural ... . These sounds get reflected when it hits different objects and reverts to the bats as echoes.

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.

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.

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.

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.

Description : Do ultrasonic pest devices affect chinchillas?

Last Answer : Feel Free to Answer

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.

Description : Can using an ultrasonic sensor bother animals in the area?

Last Answer : Ultrasonic sensors are used as animal repellents. There are some sensors that are designed to only genereate ultrasound when an animal is detected with the motion sensor.

Description : What are the pros and cons of ultrasonic sensors?

Last Answer : Pros-- ultrasonic is an inexpensive and safe way to gather data from the outside of an object or a person. Competing methods use technologies like x-ray. Cons-- Ultrasonic measurement is based on different ... foam on the top of a glass of beer might throw off an ultrasonic evaluation of that beer.

Description : How do ultrasonic thickness gauges work?

Last Answer : I found a few sites on the web that can help you this and finding out about this. Here are the sites you can look at www.olympus-ims.com/...ultrasonics/introduction-thickness-g

Description : What does a cleaner ultrasonic do?

Last Answer : It cleans with vibrations of sound. You can clean floors and another variety of surfaces with it. It is used with a cleaning solution to clean surfaces.

Description : Which type of ultrasonic thickness gauge would be best suited for our project?

Last Answer : An ultrasonic thickness gauge is required for measuring the thickness of different types of materials. The best ultrasonic thickness gauge you can buy is the Defelsko Corporation Ultrasonic Thickness gauge.

Description : How do I maintain an ultrasonic flow meter?

Last Answer : Ultrasonic flow meters usually require a very low level of maintenance and is not usually needed until something goes awry. A change of batteries every once in a while may be able to help.

Description : What is ultrasonic pest control?

Last Answer : Ultrasonic pest control is an alternative to poisons and traps for getting rid of unwanted house guests. They displace rodents, repelling them from your home with sound waves that create intense auditory stress for rodents.

Description : Does ultrasonic pest control really work?

Last Answer : You can look for hearing aids online to compare prices and models. I would recommend visiting different websites to compare hearing aid models and also look for reviews and comments.

Description : Ultrasonic waves are those sound waves having frequency

Last Answer : More than 20 kilohertz

Description : Bats can also fly in dark because they are capable of taking the help of _____ A. Ultraviolet Waves B. Ultrasonic Waves C. Electromagnetic Waves D. Special Retina

Last Answer : ANSWER: B

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)

Description : Electro magnetic radiation is emitted by (a) X-ray (b) Electrons (c) Ultrasonic (d) Protons

Last Answer : Ans:(b)

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.

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

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.

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

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

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.

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).

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.

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.

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.

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.

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

Description : The range of frequency of ultrasonic wave.

Last Answer : Greater than 20 KHz

Description : What is Maximum value of the wavelength of ultrasonic waves?

Last Answer : 1.65 cm

Description : Write short notes on (a) Communication Satellite: (b) Geo-thermal Energy: (c) Ultrasonic:

Last Answer : (a) Communication Satellite: A communications satellite is an artificial satellite stationed in space for the purposes of telecommunications. Modern communications satellites use geosynchronous orbits, Molniya ... be used to break up kidney stones or for cataract treatment by phacoemulsification.

Description : Give reason: Ultrasonic waves are used in sterilization.

Last Answer : Ultrasonic waves can kill bacteria. Hence it is used for sterilization purpose.

Description : Give reason: Ultrasonic sounds have high frequency.

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

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.

Description : Name some animals that can hear ultrasonic sounds.

Last Answer : Animals like dogs, cats and bats.

Description : What are ultrasonic sounds?

Last Answer : Sounds of frequency beyond 20,000Hz (20 kHz) are called Ultrasonic sounds.

Description : Bats can also fly in dark because they are capable of taking the help of -----? A. Ultraviolet Waves B. Ultrasonic Waves (Answer) C. Electromagnetic Waves D. Special Retina

Last Answer : B. Ultrasonic Waves (Answer)

Description : The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ? A. red waves B. Infrared waves C. Ultrasonic (Answer) D. super sonic E. None of these

Last Answer : C. Ultrasonic (Answer)

Description : Which of the following waves can penetrate through clouds?  ultrasonic  gamma  radar  visible and infrared

Last Answer : radar

Description : Which waves can penetrate through clouds  A. ultrasonic  B.gamma  C.radar  D.visible and infrared

Last Answer : C.radar

Description : Which of the following waves can penetrate through clouds?  ultrasonic  gamma  radar  visible and infrared

Last Answer : radar

Description : Which of the following are considered applications of ultrasonic testing? (A) Determination of elastic constant (B) Detection of defects in metal (C) Measurement of material thickness (D) None of the above

Last Answer : (B) Detection of defects in metal

Description : The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm. (A) 0.5 (B) 3 (C) 10 (D) 25

Last Answer : (B) 3

Description : Which of the following methods is used to estimate flood discharge based on high water marks left over in the past? (A) Slope-area method (B) Area-velocity method (C) Moving boat method (D) Ultrasonic method

Last Answer : Answer: Option A

Description : Which of the following statements refer to correct purpose as regards testing of concrete by ultrasonic pulse velocity method? 1. To assess the quality of concrete in-situ. 2. To determine the dynamic modulus of elasticity of concrete. 3 ... and 2 only (b) 1 and 3 only (c) 2 and 3 only (d)1, 2 and 3

Last Answer : (d)1, 2 and 3