Explain how defects in a metal block can be detected using ultra sound
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By using ultrasound we can understand the defects of metal block.the ultrasound which is passed through the block will receive in the receiver if there is no defects and get reflected in the defective part and that ray wouldn't be received
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The defects in metal block is detected by passing ultra sound,if the wave is reflected back there is no defect in it.if at all the sound waves are not reflected back then we can conclude there is defect in metal block.
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