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प्रश्न
What is echocardiography?
एका वाक्यात उत्तर
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उत्तर
Echocardiography is used to obtain the image of the heart by the used of ultrasonic waves.
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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:
Ultrasound is of frequency ___________.
Name the sound of the frequency given below:
10 Hz
Name the sound of the frequency given below:
1000 Hz
Name the sound of the frequency given below:
40 kHz
State two applications of ultrasound.
What do you understand by the term ultrasonic vibrations?
Does SONAR make use of infrasonic sound?
What does SONAR stand for? Where do we make use of SONAR?
What are hearing aids?
