MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Calculate the numerical aperture of an optical fibre whose core and cladding are made of materials of refractive index 1.6 and 1.5 respectively. |
| A. | 0.55677 |
| B. | 55.77 |
| C. | 0.2458 |
| D. | 0.647852 |
| Answer» B. 55.77 | |
| 2. |
Which of the following is known as fibre optic back bone? |
| A. | Telecommunication |
| B. | Cable television |
| C. | Delay lines |
| D. | Bus topology |
| Answer» E. | |
| 3. |
A fibre optic telephone transmission can handle more than thousands of voice channels. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
When more than one mode is propagating, how is it dispersed? |
| A. | Dispersion |
| B. | Inter-modal dispersion |
| C. | Material dispersion |
| D. | Waveguide dispersion |
| Answer» C. Material dispersion | |
| 5. |
What is the other name for a maximum external incident angle? |
| A. | Optical angle |
| B. | Total internal reflection angle |
| C. | Refraction angle |
| D. | Wave guide acceptance angle |
| Answer» E. | |