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प्रश्न
What is the name of the device which is used to find the depth of sea (or ocean) by using ultrasonic sound waves ?
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उत्तर
Sonar is a device used to find the depth of a sea through ultrasonic sound waves.
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संबंधित प्रश्न
Explain the working and application of a sonar.
A sonar device on a submarine sends out a signal and receives an echo 5 s later. Calculate the speed of sound in water if the distance of the object from the submarine is 3625 m.
A wave is moving in air with a velocity of 340 m/s. Calculate the wavelength if its frequency is 512 vibrations/sec.
What happens to the pitch of a sound if its frequency increases ?
Give one use of ultrasound in industry and one in hospitals.
Name an animal which navigates and finds food by ecolocation.
The ultrasound waves can penetrate into matter to a large extent because they have :
What type of waves are generated by SONAR device fixed to a fishing ship ?
Fill in the blank and explain.
To discover a sunken ship or objects deep inside the sea, ______ technology is used.
Expand the abbreviation of the term SONAR.
