MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A passive Y-junction beam splitter is also used as a switch. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Propagation losses in slab and strip waveguides are smaller than the single mode fibre losses. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which of the following materials have refractive index near two? |
| A. | GA As |
| B. | Zinc |
| C. | InP |
| D. | AlSb |
| Answer» C. InP | |
| 4. |
Which of the following devices are less widely used in the field of optical fibre communications? |
| A. | Acousto-optic devices |
| B. | Regenerators |
| C. | Reflectors |
| D. | Optical translators |
| Answer» B. Regenerators | |
| 5. |
The planar waveguides may be fabricated from glasses and other isotropic materials such as ___________ and ______________ |
| A. | Octane and polymers |
| B. | Carbon monoxide and diode |
| C. | Fluorides and carbonates |
| D. | Sulphur dioxide and polymers |
| Answer» E. | |
| 6. |
What does hff stands for in the equation hff = h+x+x2? |
| A. | Frequency of layer |
| B. | Diameter of curve |
| C. | Effective guide layer thickness |
| D. | Space propagation |
| Answer» D. Space propagation | |
| 7. |
When the dimensions of the guide are reduced, the number of ___________ also decreases. |
| A. | Propagating nodes |
| B. | Electrons |
| C. | Holes |
| D. | Volume of photons |
| Answer» B. Electrons | |