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प्रश्न
What are ultrasonic?
एक पंक्ति में उत्तर
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उत्तर
Ultrasonic are sounds having frequency higher that 20 KHz and not audible to the human being.
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संबंधित प्रश्न
Which has the higher frequency - ultrasonic sound or infrasonic sound?
Complete the following sentence:
Bats can produce and hear ___________ sound.
Name the sound of the frequency given below:
100 Hz
Name the sound of the frequency given below:
40 kHz
What is ultrasound?
State the approximate speed of ultrasound in air.
What do you understand by the term infrasonic vibrations?
What is Galton’s whistle? To what use is it put?
What does SONAR stand for?
The range of audible frequency for the human ear is
