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प्रश्न
Give one reason for the use of ultrasonic waves in echo depth sounding.
टीपा लिहा
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उत्तर
- They can travel undeviated through a long distance.
- They are not easily absorbed in a medium.
- They can be confined to a narrow beam.
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संबंधित प्रश्न
Name the waves used for echo depth sounding.
What is meant by sound ranging?
Give one use of sound ranging.
What is 'SONAR'?
State the use of echo in medical science/field.
State the use of echo by a bat, dolphin and fisherman.
Calculate the distance covered by the Ultrasonic wave having a velocity of 1.5 kms-1 in 14 s, when it is received after reflection by the receiver of the SONAR.
Name the waves used in SONAR.
State the principle on which SONAR is based.
