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प्रश्न
List the applications of sound.
थोडक्यात उत्तर
उत्तर
- Ultra sound can be used in cleaning technology. Minute foreign particles can be removed from objects placed in a liquid bath through which ultrasound is passed.
- Ultrasounds can also be use d to detect cracks and flaws in metal blocks.
- Ultrasonic waves are made to reflect from various parts of the heart and form the image of the heart. This technique is called ‘echo cardiography’.
- Ultrasound may be employed to break small ‘stones’ formed in the kidney into fine grains. These grains later get flushed out with urine.
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Ultrasonic Sound Or Ultrasound
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संबंधित प्रश्न
State two properties of ultrasound that make it useful to us.
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.
