MCQOPTIONS
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| 1. |
The GRIN-rod lens can produce a collimated output beam with a divergent angle of between _____________ from a light source situated on, or near to, the opposite lens face. |
| A. | 1 to 5 degrees |
| B. | 9 to 16 degrees |
| C. | 4 to 8 degrees |
| D. | 25 to 50 degrees |
| Answer» B. 9 to 16 degrees | |