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प्रश्न
What is ultrasound?
एका वाक्यात उत्तर
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उत्तर
Sounds of frequency above 20 kHz are called ultrasound.
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संबंधित प्रश्न
Which has the higher frequency - ultrasonic sound or infrasonic sound?
Name the sound of the frequency given below:
10 Hz
Name the sound of the frequency given below:
100 Hz
Name the sound of the frequency given below:
1000 Hz
Name the sound of the frequency given below:
40 kHz
Can you hear the sound produced due to vibrations of a seconds pendulum? Give reasons.
Explain how do bats locate the obstacles and prey in their way.
State four practical uses of ultrasonic vibrations.
What are ultrasonic? State and explain two applications of ultrasounds.
What is echocardiography?
