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| Q. |
Which of the following is not true about metrology lasers used in laser inspection? |
| A. | these are high-power instruments |
| B. | used for rapid non-contact gauging of delicate parts |
| C. | have low optical cross-talk |
| D. | wide dynamic range |
| Answer» A. these are high-power instruments | |
| Explanation: these are low-power instruments. laser systems have wide dynamic range, high contrast and low optical cross-talk. laser systems can be used in inspection of surfaces and in dimensional measurements and are very useful in precision and accuracy measurements. | |
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