Question

pls give answer in paragraph ​

Answer 1

Answer:

Ultrasounds can be used to detect cracks and flaws in metal blocks. ... Ultrasonic waves are allowed to pass through the metallic block and detectors are used to detect the transmitted waves. If there is even a small defect, the ultrasound gets reflected back indicating the presence of the flaw or defect.

Explanation:

Hope it helps if it does then please mark as brainliest.

Answer 2

Answer:

Ultrasounds can be used to declare the crackers and flaws in metal blocks..

Explanation:

hope it's helpful ☺️