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Answered 2017-11-06 09:40:53

No, ultrasonic wave do not travel at all in a vacuum.

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Answered 2017-11-07 04:01:42

Good and tricky question! Ultrasonic waves do not travel in the vacuum. Sound waves need a medium to travel.

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anything above the frequencies of audible sound


The sound waves which are below the audible sound are called infrasonics(<20Hz) and The sound waves which are above the audible sound are called ultrasonics(>20KHz).



no Because ultrasonic sound waves are not audible and it is not possible to create that much loudness in normal speakers.


Ultrasonic and Infrasonic sound waves are waves that are not audible to human beings. The audible region contains sound waves of 16 Hz to 20,000 Hz.Infrasonic sound waves have frequencies below 16 Hz. For example, an earthquake.Ultrasonic sound waves have frequencies above 20,000 Hz. For example, x-rays.Grade 11 Physics


No, because sound cannot travel in the vacuum.


No. They are mechanical waves, ultrasonic waves are sound waves and require a medium for propagation. The word ultrasonic denotes that they have a frequency above the audible range (above 20 KHz).


Bats use their vocal tract to make ultrasonic sound the same way we use our vocal tract to make audible sound. They use these for a form of SONAR navigation allowing them to "see" in total darkness. Also many insect eating bats can focus their ultrasonic sound to use it to stun their prey.


Traveling in the same medium, they have the same speed - just different frequencies (and wavelengths).


sound is a mechanical wave.Sound can be of two types :music and noise. sound gets reflected. we need about 300 metres for a good echo to be heard. there are audible and inaudible sounds. audible from 20Hz to 20000Hz.below 20Hz and above 20000Hz are inaudible sounds.There are infrasonic and ultrasonic sounds.


An ultrasonic wave is not an electromagnetic wave; it is a sound wave.An ultrasonic wave is not an electromagnetic wave; it is a sound wave.An ultrasonic wave is not an electromagnetic wave; it is a sound wave.An ultrasonic wave is not an electromagnetic wave; it is a sound wave.


The most common application of ultrasonic sound is in medical and other ultrasonic imaging.


bats can hear ultrasonic sound


An adult human's frequency range is from 20 Hz to 20,000 Hz. Any sound above 20,000 Hz is called "ultrasonic" or "ultrasound".


whale can hear ultrasonic sound waves.


Her voice is barely audible. When sound is heard, it is audible.


Ultrasonic means 'faster than sound'. This means no sound wave can be faster than sound.


Infrasound is sound that is lower in frequency than 20 Hz (Hertz) or cycles per second, the normal limit of human hearing. Ultrasonic waves have frequencies above the audible range at around 20 kHz. Audible sound is within human hearing range.


Sound waves- ultrasonic, sonic, or intrasonic are generally invisible. You cannot see sound.


For the human ear, sound is audible in the range of 20 Hz (Hertz) to 20000 Hz. Sounds below 20 Hz are "infrasonic" and have too low a frequency to be heard; sounds above 20000 Hz are "ultrasonic" and are too high a frequency to be heard.


ultrasonic wave is sound frequency


they talk to each other by ultrasonic sound. they create and hear ultrasonic sound


All matter (objects) produce sound when they vibrate with the frequency of audible range.Human ears can hear the sound with frequency range of 20 Hz to 20 kHz (20000 Hertz).So if any object vibrates within the audible range it will produce audible sound. Frequency also denotes the pitch of the sound.If the matter or object vibrates in vacuum, then the sound waves is not heard as it needs a medium for propagation of the waves.The loudness of the sound depends on the Energy in the waves.


Audible means that you can hear it. All of the sounds you hear- speech, music, car horns, fire alarms- are all audible sound.




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