MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A single mode fiber has refractive indices n1=1.50, n2 = 2.23, core diameter of 8 m, wavelength = 1.5 m cutoff wavelength = 1.214 m. Find the radius of curvature? |
| A. | 12 mm |
| B. | 20 mm |
| C. | 34 mm |
| D. | 36 mm |
| Answer» D. 36 mm | |
| 2. |
A multimode fiber has refractive indices n1 = 1.15, n2 = 1.11 and an operating wavelength of 0.7 m. Find the radius of curvature? |
| A. | 8.60 <sub>m</sub> |
| B. | 9.30 <sub>m</sub> |
| C. | 9.1 <sub>m</sub> |
| D. | 10.2 <sub>m</sub> |
| Answer» C. 9.1 <sub>m</sub> | |
| 3. |
In the given equation, state what r suggests? |
| A. | Radius of curvature |
| B. | Refractive index difference |
| C. | Radiation attenuation coefficients |
| D. | Constant of proportionality |
| Answer» D. Constant of proportionality | |
| 4. |
The effects of intrinsic absorption can be minimized by ___________ |
| A. | Ionization |
| B. | Radiation |
| C. | Suitable choice of core and cladding components |
| D. | Melting |
| Answer» D. Melting | |
| 5. |
Absorption losses due to atomic defects mainly include ___________ |
| A. | Radiation |
| B. | Missing molecules, oxygen defects in glass |
| C. | Impurities in fiber material |
| D. | Interaction with other components of core |
| Answer» C. Impurities in fiber material | |