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| 1. |
A DH surface emitter LED has an emission area diameter of 60μm. Determine emission area of source. |
| A. | 1.534*10-6 |
| B. | 5.423*10-3 |
| C. | 3.564*10-2 |
| D. | 2.826*10-9 |
| Answer» E. | |