MCQOPTIONS
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				| 1. | 
                                    Multimode graded index fibers with wavelength of 0.85μm have numerical aperture of 0.29 have core/cladding diameter o?# | 
                            
| A. | 62.5 μm/125 μm | 
| B. | 100μm/140 μm | 
| C. | 85 μm/ 125 μm | 
| D. | 50 μm/ 125μm | 
| Answer» C. 85 ‚âà√≠¬¨‚à´m/ 125 ‚âà√≠¬¨‚à´m | |