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प्रश्न
Describe a simple method to find the depth of a submerged ship.
उत्तर
A ship sends ultrasonic waves downward in the ocean. When the sound waves reaches the ocean floor , they are reflected back to the ship . The time it takes for the signal to return is used to calculate the depth of submerged ship in the ocean.
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संबंधित प्रश्न
Complete the following sentence:
Infrasonic sound is of frequency ______________.
Complete the following sentence:
Elephants produce ____________sound.
Name the sound of the frequency given below:
10 Hz
Name the sound of the frequency given below:
1000 Hz
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