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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 how bats use ultrasound to catch a prey.
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Explain how defects in a metal block can be detected using ultrasound.
Name the unit used to measure the loudness of sound. Also write its symbol.
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Expand the abbreviation of the term SONAR.
