McqMate
| 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 |
| Answer» C. The second critical angle | |
View all MCQs in
Non Destructive Testing and EvaluationNo comments yet