MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The Brewster angle is the angle of |
| A. | Incidence |
| B. | Reflection |
| C. | Refraction |
| D. | Transmission |
| Answer» B. Reflection | |
| 2. |
Find the ratio of refractive index of medium 2 to that of medium 1, when the Brewster angle is 60 degree. |
| A. | 0.707 |
| B. | 1.5 |
| C. | 0.866 |
| D. | 1.732 |
| Answer» E. | |
| 3. |
Find the Brewster angle of a wave transmitted from a medium of permittivity 4 to a medium of permittivity 2. |
| A. | 35.26 |
| B. | 53.62 |
| C. | 26.35 |
| D. | 62.53 |
| Answer» B. 53.62 | |
| 4. |
FIND_THE_RATIO_OF_REFRACTIVE_INDEX_OF_MEDIUM_2_TO_THAT_OF_MEDIUM_1,_WHEN_THE_BREWSTER_ANGLE_IS_60_DEGREE.?$ |
| A. | 0.707 |
| B. | 1.5 |
| C. | 0.866 |
| D. | 1.732 |
| Answer» E. | |
| 5. |
The Brewster angle is the angle of$ |
| A. | Incidence |
| B. | Reflection |
| C. | Refraction |
| D. | Transmission |
| Answer» B. Reflection | |
| 6. |
Find the Brewster angle of a wave transmitted from a medium of permittivity 4 to a medium of permittivity 2? |
| A. | 35.26 |
| B. | 53.62 |
| C. | 26.35 |
| D. | 62.53 |
| Answer» B. 53.62 | |
| 7. |
An elliptically polarised wave transmitted at the Brewster angle will be received as an elliptically polarised wave. State True/False |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
A circularly polarised wave transmitted at the Brewster angle will be received as linearly polarised wave. State True/False |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
The transmission coefficient of a wave propagating in the Brewster angle is |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | Infinity |
| Answer» C. -1 | |
| 10. |
The reflection coefficient in the wave propagation when it is transmitted with the Brewster angle is |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | Infinity |
| Answer» B. 1 | |
| 11. |
The refractive index of a material with permittivity 16 is given by |
| A. | 16 |
| B. | 256 |
| C. | 4 |
| D. | 8 |
| Answer» D. 8 | |
| 12. |
The Brewster angle is expressed as |
| A. | Tan<sup>-1</sup>(n) |
| B. | Tan<sup>-1</sup>(n1/n2) |
| C. | Tan<sup>-1</sup>(n2/n1) |
| D. | Tan (n) |
| Answer» D. Tan (n) | |
| 13. |
Brewster angle is valid for which type of polarisation? |
| A. | Perpendicular |
| B. | Parallel |
| C. | S polarised |
| D. | P polarised |
| Answer» C. S polarised | |