Q. The longitudinal wave incident angle which results in formation of a rayleigh wave is called:

(A) Normal incidence
(B) The first critical angle
(C) The second critical angle
(D) Any angle above the first critical angle

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✅ Correct Answer: (C) The second critical angle

Published by Mr. Dubey ⭐ 104.85K Points at 21-Sep-2023 07:19 pm in Non Destructive Testing and Evaluation

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