Minute cracks in metals and minute faults in welded joints can be detected using
A. IR rays
B. UV rays
C. a rays
D. X-ray/γ-rays
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Answer: D
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Minute cracks in metals and minute faults in welded joints can be detected using
A. IR rays
B. UV rays
C. a rays
D. X-ray/γ-rays
Answer: D
Share your understanding of this question with the correct explanation.