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प्रश्न
What is meant by echo depth sounding?
उत्तर
The method by which the position of an obstacle hidden in water is located is known as echo depth sounding.
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संबंधित प्रश्न
Why are the ceilings of concert halls curved?
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(ii) If the man had been standing at a distance of 12 m from the cliff would he have heard a clear echo?
Explain why, the ceilings of concert halls are curved.
