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प्रश्न
In SONAR we use:
पर्याय
ultrasonic waves
infrasonic waves
radio waves
audible sound waves
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उत्तर
ultrasonic waves
Ultrasonic waves are used in SONAR.
संबंधित प्रश्न
Explain how bats use ultrasound to catch a prey.
What is the name of the device which is used to find the depth of sea (or ocean) by using ultrasonic sound waves ?
Fill in the blank with suitable word :
Pitch of sound depends on ....................
Explain why, if we strike a table lightly, we hear a soft sound but if we hit the table hard, a loud sound is heard.
Explain how, bats use ultrasound to catch the prey.
Which of the two produces ultrasonic waves : porpoise or whale ?
A sonar station picks up a return signal after 3 seconds. How far away is the object ? (Speed of sound in water = 1440 m/s).
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 ?
Expand the abbreviation of the term SONAR.
