MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the coefficient of linear expansion of fused quartz used to make optical flats? |
| A. | 0.6 x 10<sup>-6</sup>/ degree |
| B. | 0.6 x 10<sup>-5</sup>/ degree |
| C. | 0.6 x 10<sup>-4</sup>/ degree |
| D. | 0.6 x 10<sup>-3</sup> / degree |
| Answer» B. 0.6 x 10<sup>-5</sup>/ degree | |