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प्रश्न
What is meant by echo depth sounding?
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उत्तर
The method by which the position of an obstacle hidden in water is located is known as echo depth sounding.
संबंधित प्रश्न
What adjustments would you make for tuning a stringed instrument for it to emit a note of a desired frequency?
What is a soundboard ? Explain the working of a soundboard with the help of a labelled diagram.
Explain how is the principle of echo used by
(a) The bat during its flight at night,
(b) The dolphin to locate small fish as its prey.
Write the approximate value of the speed of sound in water.
What do you understand by the ‘Echolocation system of Dolphins’?
Name the type of waves that are used for sound ranging. Why are radio waves not audible to us?
In what respect does waveforms of noise and a musical note differ. Draw diagrams to illustrate your answer.
Match the following:
| 1. | Stethoscope | a. | Repeated reflections |
| 2. | Echogram | b. | Multiple reflections |
| 3. | SONAR | c. | Ultrasonic waves |
| 4. | Reverberation | d. | Speed of underwater objects |
