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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 sentences:
An average person can hear sound of frequencies in the range ______ to _________.
Complete the following sentence:
Bats can produce and hear ___________ sound.
State two applications of ultrasound.
A man can hear the sound of frequency :
What do you understand by the term ultrasonic vibrations?
Name three animals which can hear ultrasonic vibrations.
What does SONAR stand for?
Does SONAR make use of infrasonic sound?
What is echocardiography?
What does SONAR stand for? Where do we make use of SONAR?
