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Lakhmir Singh & Manjit Kaur - Physics

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Q. 544.2( 18 Votes )

Explain how, flaw

Class 9th Lakhmir Singh & Manjit Kaur - Physics 5. Sound

Answer :

The ultrasound waves are prepared to pass through a metal block’s one face and ultrasound detectors are placed on the other face of the block to detect the transmitted wave. When the detector donot detect the transmited wave as desired then in that case the metal block have flaws in it.

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