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प्रश्न
Describe a simple method to find the depth of a submerged ship.
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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
Name the sound of the frequency given below:
10 Hz
Name the sound of the frequency given below:
100 Hz
Can you hear the sound produced due to vibrations of a seconds pendulum? Give reasons.
The properties of ultrasound that make it useful are
State four practical uses of ultrasonic vibrations.
An electromagnetic wave has a time period of 4 × 10-8 s. Calculate its frequency in MHz.
What are ultrasonic?
What does SONAR stand for?
1 hertz is equal to
Ultrasound has frequency of vibration
