MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless Mobile Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Velocity of electromagnetic wave can be given by _______ |
| A. | 1/√(μ∈) |
| B. | μ/∈ |
| C. | 1/(μ∈) |
| D. | μ∈ |
| Answer» B. μ/∈ | |
| 2. |
Permittivity and conductivity are insensitive to ______ for a good conductor. |
| A. | Operating frequency |
| B. | Polarization density |
| C. | Electric field |
| D. | Property of material |
| Answer» B. Polarization density | |
| 3. |
The plane of incidence contains only incident rays. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Polarized wave can be mathematically represented as sum of ________ |
| A. | Four orthogonal components |
| B. | Two spatially adjacent components |
| C. | Two spatially orthogonal components |
| D. | Six orthogonal components |
| Answer» D. Six orthogonal components | |
| 5. |
What is the case of reflection, in course of second medium being a perfect conductor? |
| A. | Loss of energy during absorption |
| B. | Total energy reflected back to first medium |
| C. | Partly transmission and reflection |
| D. | Total energy transmitted into second medium |
| Answer» C. Partly transmission and reflection | |
| 6. |
THE_PLANE_OF_INCIDENCE_CONTAINS_ONLY_INCIDENT_RAYS._STATE_TRUE_OR_FALSE.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Velocity of electromagnetic wave can be given by _______$ |
| A. | 1/√(μ∈) |
| B. | μ/∈ |
| C. | 1/(μ∈) |
| D. | μ∈ |
| Answer» B. ‚âà√≠¬¨‚à´/‚Äö√Ñ√∂‚àö‚Ć‚àö‚Ć | |
| 8. |
Permittivity and conductivity are insensitive to ______ for a good conductor.$ |
| A. | Operating frequency |
| B. | Polarization density |
| C. | Electric field |
| D. | Property of material |
| Answer» B. Polarization density | |
| 9. |
The angle at which no reflection occurs in the medium of origin is called _________ |
| A. | Azimuth angle |
| B. | Elevation angle |
| C. | Brewster angle |
| D. | Inclination angle |
| Answer» D. Inclination angle | |
| 10. |
The boundary condition at the surface of incidence obeys ________ |
| A. | Kepler’s law |
| B. | Gauss law |
| C. | Faraday law |
| D. | Snell’s law |
| Answer» E. | |
| 11. |
Polarized wave can be mathematically represented as sum of _______? |
| A. | Four orthogonal components |
| B. | Two spatially adjacent components |
| C. | Two spatially orthogonal components |
| D. | Six orthogonal components |
| Answer» D. Six orthogonal components | |
| 12. |
Reflection coefficient is not a function of __________ |
| A. | Material property |
| B. | Diffraction loss |
| C. | Wave polarization |
| D. | Angle of incidence |
| Answer» C. Wave polarization | |
| 13. |
Which of the following relates the incident and reflected & transmitted wave? |
| A. | Fresnel transmission coefficient |
| B. | Scattering coefficient |
| C. | Diffraction coefficients |
| D. | Fresnel reflection coefficient |
| Answer» E. | |
| 14. |
What is the case of reflection, in course of second medium being a perfect dielectric? |
| A. | Loss of energy during absorption |
| B. | Total energy reflected back to first medium |
| C. | No loss of energy in absorption |
| D. | Total energy transmitted into second medium |
| Answer» D. Total energy transmitted into second medium | |
| 15. |
When does the wave propagating from one medium to another gets partially reflection and partially transmitted? |
| A. | Both mediums have same electrical properties |
| B. | Both mediums have different electrical properties |
| C. | Both mediums have same magnetic properties |
| D. | Both mediums have different magnetic properties |
| Answer» C. Both mediums have same magnetic properties | |
| 16. |
What is the dimension of object as compared to wavelength of propagating wave when reflection occurs? |
| A. | Large |
| B. | Small |
| C. | Same |
| D. | Very small |
| Answer» B. Small | |
| 17. |
Which of the following mechanism do not impact propagation in mobile communication system? |
| A. | Reflection |
| B. | Diffraction |
| C. | Scattering |
| D. | Refraction |
| Answer» E. | |