MCQOPTIONS
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MCQOPTIONS
| 1. |
Injection laser have a high threshold current density of |
| A. | 10<sup>4</sup>Acm<sup>-2</sup>and more |
| B. | 10<sup>2</sup>Acm<sup>-2</sup> |
| C. | 10<sup>-2</sup>Acm<sup>-2</sup> |
| D. | 10<sup>-3</sup>Acm<sup>-2</sup> |
| Answer» B. 10<sup>2</sup>Acm<sup>-2</sup> | |