Question
What are the uses of ultrasonic sound?
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Answer
- For communication between ships at sea.
- To join plastic surfaces together.
- To sterilize liquids like milk by killing the bacteria in it so that the milk keeps for a longer duration.
- Echocardiography which studies heartbeats, is based on ultrasonic waves (Sonography technology).
- To obtain images of internal organs in a human body.
- In industry to clean intricate parts of machines where hands cannot reach.
- To locate the cracks and faults in metal blocks.
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