What are ultrasounds ? How are they useful to us?
Harshit Singh , 3 Years ago
Grade 12th pass
8 grade science> What are ultrasounds ? How are they usefu...
1 AnswersPawan Prajapati
Last Activity: 3 Years 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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