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प्रश्न
State two properties of ultrasound that make it useful to us.
टीपा लिहा
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उत्तर
Two properties of ultrasound which make it useful to us are:
(i) High energy contents
(ii) High directivity
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Ultrasonic Sound Or Ultrasound
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संबंधित प्रश्न
List the applications of sound.
Human beings cannot hear ______.
The frequency greater than 20,000 Hz is ______ sound.
Sonar is a device that uses to ______ measure the distance, direction, and speed of underwater objects.
Ultrasounds can also be used to detect cracks and flaws in ______.
Ultrasonic sounds cannot be heard by Human beings.
Mention the frequency ranges of infrasonic and ultrasonic.
