McqMate
| Q. |
Multimode step index fiber has |
| A. | large core diameter & large numerical aperture |
| B. | large core diameter and small numerical aperture |
| C. | small core diameter and large numerical aperture |
| D. | small core diameter & small numerical aperture |
| Answer» A. large core diameter & large numerical aperture | |
| Explanation: multimode step-index fiber has large core diameter and large numerical aperture. these parameters provides efficient coupling to inherent light sources such as led’s. | |
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