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Q. |
A disadvantage of using a high frequency ultrasonic transducer is: |
A. | It provides a smaller beam angle and better resolving power |
B. | It provides a larger beam angle and poorer resolving power |
C. | It is scattered more by coarse grained material |
D. | It is scattered less by coarse grained material |
Answer» C. It is scattered more by coarse grained material |
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