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What are ultrasounds ? How are they useful to us?

What are ultrasounds ? How are they useful to us?

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
one year ago
Sound having frequency higher than 20kHz is known as ultrasound, is used for detecting finer faults in metal sheets. scanning and imaging the body for stones, tumour and foetus.

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