MCQOPTIONS
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MCQOPTIONS
| 1. |
The lifetime of meta-stable state in a Ruby laser is ___________ |
| A. | 10<sup>-8</sup>s |
| B. | 10<sup>-6</sup>s |
| C. | 10<sup>-3</sup>s |
| D. | 10<sup>-2</sup>s |
| Answer» D. 10<sup>-2</sup>s | |